Colorado drainage basins
Encyclopedia
The U.S State of Colorado includes the headwaters of several important rivers. The state is divided generally East to West by the Continental Divide
Continental Divide
The Continental Divide of the Americas, or merely the Continental Gulf of Division or Great Divide, is the name given to the principal, and largely mountainous, hydrological divide of the Americas that separates the watersheds that drain into the Pacific Ocean from those river systems that drain...

. East of the Continental Divide, surface waters flow via the North Platte River
North Platte River
The North Platte River is a major tributary of the Platte River and is approximately long counting its many curves, It travels about distance. Its course lies in the U.S...

, the South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

, the Republican River
Republican River
The Republican River is a river in the central Great Plains of North America, flowing through the U.S. states of Nebraska and Kansas.-Geography:...

, the Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

, the Cimarron River, the Canadian River
Canadian River
The Canadian River is the longest tributary of the Arkansas River. It is about long, starting in Colorado and traveling through New Mexico, the Texas Panhandle, and most of Oklahoma....

, or the Rio Grande
Rio Grande
The Rio Grande is a river that flows from southwestern Colorado in the United States to the Gulf of Mexico. Along the way it forms part of the Mexico – United States border. Its length varies as its course changes...

 to the Gulf of Mexico
Gulf of Mexico
The Gulf of Mexico is a partially landlocked ocean basin largely surrounded by the North American continent and the island of Cuba. It is bounded on the northeast, north and northwest by the Gulf Coast of the United States, on the southwest and south by Mexico, and on the southeast by Cuba. In...

. West of the Continental Divide, surface waters flow via the Green River
Green River (Utah)
The Green River, located in the western United States, is the chief tributary of the Colorado River. The watershed of the river, known as the Green River Basin, covers parts of Wyoming, Utah, and Colorado. The Green River is long, beginning in the Wind River Mountains of Wyoming and flowing...

, the upper Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

 (formerly the Grand River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

), or the San Juan River into the Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

 and on to the Gulf of California
Gulf of California
The Gulf of California is a body of water that separates the Baja California Peninsula from the Mexican mainland...

. Colorado also has three significant endorheic basins: the San Luis Closed Basin in the San Luis Valley
San Luis Valley
The San Luis Valley is an extensive alpine valley in the U.S. states of Colorado and New Mexico covering approximately and sitting at an average elevation of above sea level. The valley sits atop the Rio Grande Rift and is drained to the south by the Rio Grande River, which rises in the San Juan...

, and the Bear Creek Basin and the White Woman Basin spanning the Colorado
Colorado
Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...

-Kansas
Kansas
Kansas is a US state located in the Midwestern United States. It is named after the Kansas River which flows through it, which in turn was named after the Kansa Native American tribe, which inhabited the area. The tribe's name is often said to mean "people of the wind" or "people of the south...

 border south and north of the Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

.

Table of major drainage basins

Major Drainage Basins of the State of Colorado
Basin Outlet Total Area In-State Area % In-State
Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

Gulf of California
Gulf of California
The Gulf of California is a body of water that separates the Baja California Peninsula from the Mexican mainland...

001703,132 km2
271,481 mi2
001100,195 km2
38,686 mi2
A06414.2%
Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

Mississippi River
Mississippi River
The Mississippi River is the largest river system in North America. Flowing entirely in the United States, this river rises in western Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains...

002478,501 km2
184,750 mi2
00270,022 km2
27,036 mi2
A06314.6%
Rio Grande
Rio Grande
The Rio Grande is a river that flows from southwestern Colorado in the United States to the Gulf of Mexico. Along the way it forms part of the Mexico – United States border. Its length varies as its course changes...

Gulf of Mexico
Gulf of Mexico
The Gulf of Mexico is a partially landlocked ocean basin largely surrounded by the North American continent and the island of Cuba. It is bounded on the northeast, north and northwest by the Gulf Coast of the United States, on the southwest and south by Mexico, and on the southeast by Cuba. In...

003457,275 km2
176,555 mi2
00912,070 km2
4,660 mi2
A0722.6%
Canadian River
Canadian River
The Canadian River is the longest tributary of the Arkansas River. It is about long, starting in Colorado and traveling through New Mexico, the Texas Panhandle, and most of Oklahoma....

Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

004122,701 km2
47,375 mi2
073154 km2
59 mi2
A0730.1%
Green River
Green River (Utah)
The Green River, located in the western United States, is the chief tributary of the Colorado River. The watershed of the river, known as the Green River Basin, covers parts of Wyoming, Utah, and Colorado. The Green River is long, beginning in the Wind River Mountains of Wyoming and flowing...

Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

005115,903 km2
44,750 mi2
00527,340 km2
10,556 mi2
A05923.6%
North Platte River
North Platte River
The North Platte River is a major tributary of the Platte River and is approximately long counting its many curves, It travels about distance. Its course lies in the U.S...

Platte River
Platte River
The Platte River is a major river in the state of Nebraska and is about long. Measured to its farthest source via its tributary the North Platte River, it flows for over . The Platte River is a tributary of the Missouri River, which in turn is a tributary of the Mississippi River which flows to...

00680,755 km2
31,180 mi2
0185,129 km2
1,980 mi2
A0686.4%
upper Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

 (Grand River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

)
Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

00767,993 km2
26,252 mi2
00357,680 km2
22,270 mi2
A03884.8%
San Juan River Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

00864,560 km2
24,927 mi2
00815,175 km2
5,859 mi2
A06023.5%
South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

Platte River
Platte River
The Platte River is a major river in the state of Nebraska and is about long. Measured to its farthest source via its tributary the North Platte River, it flows for over . The Platte River is a tributary of the Missouri River, which in turn is a tributary of the Mississippi River which flows to...

00962,738 km2
24,223 mi2
00448,948 km2
18,899 mi2
A04078.0%
Smoky Hill River
Smoky Hill River
The Smoky Hill River is a river in the central Great Plains of North America, running through the U.S. states of Colorado and Kansas.-Names:The Smoky Hill gets its name from the Smoky Hills region of north-central Kansas through which it flows...

Kansas River
Kansas River
The Kansas River is a river in northeastern Kansas in the United States. It is the southwestern-most part of the Missouri River drainage, which is in turn the northwestern-most portion of the extensive Mississippi River drainage. Its name come from the Kanza people who once inhabited the area...

01051,783 km2
19,994 mi2
0402,493 km2
963 mi2
A0704.8%
Cimarron River Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

01144,890 km2
17,332 mi2
0165,481 km2
2,116 mi2
A06612.2%
Yampa River
Yampa River
The Yampa River is a tributary of the Green River, approximately 250 mi long, in the U.S. state of Colorado. It's located in the Southwestern United States...

Green River
Green River (Utah)
The Green River, located in the western United States, is the chief tributary of the Colorado River. The watershed of the river, known as the Green River Basin, covers parts of Wyoming, Utah, and Colorado. The Green River is long, beginning in the Wind River Mountains of Wyoming and flowing...

01221,506 km2
8,304 mi2
00715,289 km2
5,903 mi2
A04371.1%
Gunnison River
Gunnison River
The Gunnison River is a tributary of the Colorado River, long, in the Southwest state of Colorado. It is the fifth largest tributary of the Colorado River, with a mean flow of 4320 ft³/s .-Description:...

upper Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

 (Grand River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

)
01320,851 km2
8,051 mi2
00620,851 km2
8,051 mi2
A001100%
North Fork Republican River
North Fork Republican River
The North Fork Republican River is a tributary of the Republican River. It flows eastward from a source in Yuma County, Colorado to just north of Hagler in Dundy County, Nebraska...

Republican River
Republican River
The Republican River is a river in the central Great Plains of North America, flowing through the U.S. states of Nebraska and Kansas.-Geography:...

01413,172 km2
5,086 mi2
01011,522 km2
4,449 mi2
A03787.5%
White River
White River (Utah)
The White River is a tributary of the Green River, approximately long, in the U.S. states of Colorado and Utah. Flows vary from 450 ft³/s late summers in dry years to well over 12,000 ft³/s in spring....

Green River
Green River (Utah)
The Green River, located in the western United States, is the chief tributary of the Colorado River. The watershed of the river, known as the Green River Basin, covers parts of Wyoming, Utah, and Colorado. The Green River is long, beginning in the Wind River Mountains of Wyoming and flowing...

01512,989 km2
5,015 mi2
0129,796 km2
3,782 mi2
A04275.4%
Dolores River
Dolores River
The Dolores River is a tributary of the Colorado River, approximately 250 mi long, in the U.S. states of Colorado and Utah....

upper Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

 (Grand River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

)
01611,998 km2
4,633 mi2
01110,619 km2
4,100 mi2
A03688.5%
Laramie River
Laramie River
The Laramie River is a tributary of the North Platte River, approximately long, in the U.S. states of Colorado and Wyoming.It rises in northern Colorado, in the Roosevelt National Forest in the Front Range, in western Larimer County...

North Platte River
North Platte River
The North Platte River is a major tributary of the Platte River and is approximately long counting its many curves, It travels about distance. Its course lies in the U.S...

01711,961 km2
4,618 mi2
061989 km2
382 mi2
A0678.3%
Little Snake River
Little Snake River
The Little Snake River is a tributary of the Yampa River, approximately 150 mi long, in southwestern Wyoming and northwestern Colorado in the United States....

Yampa River
Yampa River
The Yampa River is a tributary of the Green River, approximately 250 mi long, in the U.S. state of Colorado. It's located in the Southwestern United States...

01810,629 km2
4,104 mi2
0224,412 km2
1,704 mi2
A05241.5%
Purgatoire River
Purgatoire River
The Purgatoire River is a river in southeastern Colorado, United States. The river is also known locally as the Purgatory River or the Picketwire River...

Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

0198,923 km2
3,445 mi2
0138,601 km2
3,321 mi2
A03196.4%
Lodgepole Creek
Lodgepole Creek
Lodgepole Creek is a tributary of the South Platte River, approximately long, in the U.S. states of Wyoming, Nebraska and Colorado. Lodgepole Creek drains a basin in the interior of a low plateau which lies between the South Platte Basin and the North Platte Basin in the southeastern corner of...

South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

0208,374 km2
3,233 mi2
069496 km2
191 mi2
A0695.9%
Rio Chama Rio Grande
Rio Grande
The Rio Grande is a river that flows from southwestern Colorado in the United States to the Gulf of Mexico. Along the way it forms part of the Mexico – United States border. Its length varies as its course changes...

0218,204 km2
3,168 mi2
071238 km2
92 mi2
A0712.9%
San Luis Closed Basin endorheic basin 0227,638 km2
2,949 mi2
0147,638 km2
2,949 mi2
A002100%
Frenchman Creek
Frenchman Creek
Frenchman Creek is a spring-fed waterway that begins in Phillips County, Colorado, crosses Chase and Hayes counties in Nebraska and ends at its juncture with the Republican River in Hitchcock County, Nebraska. The length of the waterway is approximately ....

Republican River
Republican River
The Republican River is a river in the central Great Plains of North America, flowing through the U.S. states of Nebraska and Kansas.-Geography:...

0237,398 km2
2,856 mi2
0362,539 km2
980 mi2
A05334.3%
South Fork Republican River
South Fork Republican River
The South Fork Republican River is a river that arises in Lincoln County, Colorado, United States, and flows east-northeastward for about through Kit Carson and Yuma Counties, Colorado, and Cheyenne County, Kansas, to a confluence with the Republican River in Dundy County, Nebraska. Bonny...

Republican River
Republican River
The Republican River is a river in the central Great Plains of North America, flowing through the U.S. states of Nebraska and Kansas.-Geography:...

0247,195 km2
2,778 mi2
0175,454 km2
2,106 mi2
A04175.8%
San Luis Creek
San Luis Creek (Colorado)
San Luis Creek is a stream that flows from a source near Poncha Pass in Saguache County, Colorado to San Luis Lake adjacent to Great Sand Dunes National Park. San Luis Lake is the sink of the San Luis Closed Basin, the largest endorheic basin in Colorado....

San Luis Closed Basin 0257,000 km2
2,703 mi2
0157,000 km2
2,703 mi2
A003100%
Cache la Poudre River
Cache La Poudre River
The Cache la Poudre River is in the state of Colorado in the United States.Its headwaters are in the Front Range in Larimer County, in the northern part of Rocky Mountain National Park. The river descends eastward in the mountains through the Roosevelt National Forest in Poudre Canyon...

South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

0264,959 km2
1,915 mi2
0214,587 km2
1,771 mi2
A03492.5%
Bear Creek Basin endorheic basin 0274,896 km2
1,890 mi2
0372,521 km2
973 mi2
A04851.5%
Huerfano River
Huerfano River
Huerfano River is a tributary of the Arkansas River that flows from a source near Blanca Peak in the Sangre de Cristo Mountains of Colorado. It joins the Arkansas in Pueblo County just south of the town of Boone....

Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

0284,840 km2
1,869 mi2
0194,840 km2
1,869 mi2
A004100%
Big Sandy Creek
Big Sandy Creek (Colorado)
Big Sandy Creek is a tributary of the Arkansas River noted for being the location of the Sand Creek Massacre. Big Sandy Creek starts near Peyton in El Paso County, Colorado and flows through Elbert, Lincoln, Cheyenne and Kiowa counties before it joins with the Arkansas River in Prowers county...

Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

0294,825 km2
1,863 mi2
0204,825 km2
1,863 mi2
A005100%
Bear Creek Bear Creek Basin 0304,500 km2
1,737 mi2
0392,500 km2
965 mi2
A04755.6%
North Fork Cimarron River
North Fork Cimarron River
North Fork Cimarron River is a tributary of the Cimarron River that flows from a source in Comanche National Grassland in Baca County, Colorado. It joins the Cimarron River west of Satanta in Haskell County, Kansas....

Cimarron River 0314,462 km2
1,723 mi2
0432,225 km2
859 mi2
A04949.9%
Arikaree River
Arikaree River
The Arikaree River is a tributary of the Republican River that starts near Limon in Lincoln County, Colorado. The river flows east into Kansas, crossing the extreme northwestern corner of that state before entering Nebraska...

North Fork Republican River
North Fork Republican River
The North Fork Republican River is a tributary of the Republican River. It flows eastward from a source in Yuma County, Colorado to just north of Hagler in Dundy County, Nebraska...

0324,429 km2
1,710 mi2
0234,265 km2
1,647 mi2
A03296.3%
San Miguel River
San Miguel River (Colorado)
The San Miguel River is a tributary of the Dolores River, approximately 90 mi long in southwestern Colorado in the United States...

Dolores River
Dolores River
The Dolores River is a tributary of the Colorado River, approximately 250 mi long, in the U.S. states of Colorado and Utah....

0334,060 km2
1,567 mi2
0244,060 km2
1,567 mi2
A006100%
Stinking Water Creek Frenchman Creek
Frenchman Creek
Frenchman Creek is a spring-fed waterway that begins in Phillips County, Colorado, crosses Chase and Hayes counties in Nebraska and ends at its juncture with the Republican River in Hitchcock County, Nebraska. The length of the waterway is approximately ....

0343,862 km2
1,491 mi2
063966 km2
373 mi2
A05825.0%
Roaring Fork River
Roaring Fork River
Roaring Fork River is a tributary of the Colorado River, approximately long, in west central Colorado in the United States. The river drains a populated and economically vital area of the Colorado Western Slope called the Roaring Fork Valley or Roaring Fork Watershed, which includes the resort...

upper Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

 (Grand River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

)
0353,766 km2
1,454 mi2
0253,766 km2
1,454 mi2
A007100%
Crow Creek
Crow Creek (Wyoming)
Crow Creek is a waterway of southeastern Wyoming and northern Colorado. Crow Creek is formed by the merger of the South Fork of Crow Creek with the Middle fork of Crow Creek, with the quick addition of the North Fork of Crow Creek about downstream. All of the major tributaries of Crow Creek begin...

South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

0363,717 km2
1,435 mi2
0442,201 km2
850 mi2
A04659.2%
Horse Creek
Horse Creek (Colorado)
Horse Creek is a tributary of the Arkansas River that flows from a source south of Calhan in the Holcolm Hills of El Paso County, Colorado. It flows east and south to a confluence with the Arkansas in Otero County west of Las Animas...

Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

0373,680 km2
1,421 mi2
0263,680 km2
1,421 mi2
A008100%
Ladder Creek
Ladder Creek
Ladder Creek is a stream that flows from a source in Cheyenne County, Colorado to a confluence with the Smoky Hill River in Logan County, Kansas....

Smoky Hill River
Smoky Hill River
The Smoky Hill River is a river in the central Great Plains of North America, running through the U.S. states of Colorado and Kansas.-Names:The Smoky Hill gets its name from the Smoky Hills region of north-central Kansas through which it flows...

0383,645 km2
1,407 mi2
067663 km2
256 mi2
A06218.2%
Bijou Creek
Bijou Creek
Bijou Creek is a tributary of the South Platte River in Colorado. The creek flows from a source in Adams County to a confluence with the South Platte near Fort Morgan....

South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

0393,612 km2
1,395 mi2
0273,612 km2
1,395 mi2
A009100%
White Woman Basin endorheic basin 0403,577 km2
1,381 mi2
065908 km2
351 mi2
A05725.4%
Rush Creek
Rush Creek (Colorado)
Rush Creek is a tributary of Big Sandy Creek in Colorado. It starts at the confluence of South Rush Creek and North Rush Creek in Lincoln County. The creek flows through Cheyenne County before joining Big Sandy Creek in Kiowa County....

Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

0413,570 km2
1,378 mi2
0283,570 km2
1,378 mi2
A010100%
Animas River
Animas River
Animas River is a river in the western United States, a tributary of the San Juan River, part of the Colorado River System. The Spanish named the river "Rio de las Animas Perdidas", "River of the Lost Souls". It is also the last free-flowing river in Colorado. The river's free-flowing status...

San Juan River 0423,562 km2
1,375 mi2
0302,971 km2
1,147 mi2
A03983.4%
Saguache Creek
Saguache Creek
Saguache Creek is a stream in Saguache County, Colorado. The creek flows from the confluence of its North and Middle forks before joining San Luis Creek. Saguache Creek is in the San Luis Closed Basin, the largest endorheic basin in Colorado....

San Luis Creek
San Luis Creek (Colorado)
San Luis Creek is a stream that flows from a source near Poncha Pass in Saguache County, Colorado to San Luis Lake adjacent to Great Sand Dunes National Park. San Luis Lake is the sink of the San Luis Closed Basin, the largest endorheic basin in Colorado....

0433,482 km2
1,345 mi2
0293,482 km2
1,345 mi2
A011100%
Montezuma Creek San Juan River 0443,044 km2
1,175 mi2
062983 km2
380 mi2
A05432.3%
White Woman Creek White Woman Basin 0453,000 km2
1,158 mi2
066800 km2
309 mi2
A05626.7%
Beaver Creek
Beaver Creek (Colorado)
Beaver Creek is a tributary of the South Platte River in Colorado. The creek flows from a source in Elbert County to a confluence with the South Platte in Morgan County near Hillrose....

South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

0462,939 km2
1,135 mi2
0312,939 km2
1,135 mi2
A012100%
Uncompahgre River
Uncompahgre River
The Uncompahgre River is a tributary of the Gunnison River, approximately 75 mi long, in southwestern Colorado in the United States. Lake Como at 12,215 ft in northern San Juan County, in the Uncompahgre National Forest in the northwestern San Juan Mountains is the headwaters of the...

Gunnison River
Gunnison River
The Gunnison River is a tributary of the Colorado River, long, in the Southwest state of Colorado. It is the fifth largest tributary of the Colorado River, with a mean flow of 4320 ft³/s .-Description:...

0472,921 km2
1,128 mi2
0322,921 km2
1,128 mi2
A013100%
Tomichi Creek
Tomichi Creek
Tomichi Creek is a tributary of the Gunnison River in Gunnison County, Colorado....

Gunnison River
Gunnison River
The Gunnison River is a tributary of the Colorado River, long, in the Southwest state of Colorado. It is the fifth largest tributary of the Colorado River, with a mean flow of 4320 ft³/s .-Description:...

0482,874 km2
1,109 mi2
0332,874 km2
1,109 mi2
A014100%
Apishapa Creek Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

0492,798 km2
1,080 mi2
0342,798 km2
1,080 mi2
A015100%
Saint Vrain Creek South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

0502,572 km2
993 mi2
0352,572 km2
993 mi2
A016100%
Eagle River
Eagle River (Colorado)
The Eagle River is a tributary of the Colorado River, approximately long, in west central Colorado in the United States.It rises in southeastern Eagle County, at the continental divide, and flows northwest past Gilman, Minturn, Avon...

upper Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

 (Grand River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

)
0512,515 km2
971 mi2
0382,515 km2
971 mi2
A017100%
Vermillion Creek
Vermillion Creek
Vermillion Creek is a tributary of the Green River. It flows south from Sweetwater County, Wyoming to a confluence with the Green River just north of the Gates of Lodore in Moffat County, Colorado....

Green River
Green River (Utah)
The Green River, located in the western United States, is the chief tributary of the Colorado River. The watershed of the river, known as the Green River Basin, covers parts of Wyoming, Utah, and Colorado. The Green River is long, beginning in the Wind River Mountains of Wyoming and flowing...

0522,500 km2
965 mi2
0591,155 km2
446 mi2
A05146.2%
North Fork Gunnison River
North Fork Gunnison River
The North Fork Gunnison River is a tributary of the Gunnison River, long, in southwestern Colorado in the United States. It drains part of the southwestern flank of the Elk Mountains northeast of Delta....

Gunnison River
Gunnison River
The Gunnison River is a tributary of the Colorado River, long, in the Southwest state of Colorado. It is the fifth largest tributary of the Colorado River, with a mean flow of 4320 ft³/s .-Description:...

0532,492 km2
962 mi2
0412,492 km2
962 mi2
A018100%
Fountain Creek
Fountain Creek
Fountain Creek is a stream in El Paso and Pueblo counties, in Colorado in the United States.-Geography:From its source near the city of Woodland Park north of Pikes Peak, the creek flows southeast through the communities of Green Mountain Falls and Chipita Park to the town of Cascade. It...

Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

0542,418 km2
933 mi2
0422,418 km2
933 mi2
A019100%
Big Thompson River
Big Thompson River
The Big Thompson River is a tributary of the South Platte River, approximately 78 miles long, in the U.S. state of Colorado.- Course of the river :...

South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

0552,149 km2
830 mi2
0452,149 km2
830 mi2
A020100%
Two Butte Creek
Two Butte Creek
Two Butte Creek is a tributary of the Arkansas River that flows from a source near Kim, Colorado. It joins the Arkansas just south of the town of Holly....

Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

0562,107 km2
814 mi2
0462,107 km2
814 mi2
A021100%
Mancos River
Mancos River
Mancos River is an tributary of the San Juan River. It flows from the confluence of West Mancos River and East Mancos River near Mancos, Colorado and joins the San Juan near Four Corners Monument in New Mexico.-See also:*List of rivers of Colorado...

San Juan River 0572,099 km2
810 mi2
0471,973 km2
762 mi2
A03394.0%
Conejos River
Conejos River
The Conejos River is a tributary of the Rio Grande, approximately long, in south-central Colorado in the United States. It drains a scenic area of the eastern San Juan Mountains west of the San Luis Valley.-Description:...

Rio Grande
Rio Grande
The Rio Grande is a river that flows from southwestern Colorado in the United States to the Gulf of Mexico. Along the way it forms part of the Mexico – United States border. Its length varies as its course changes...

0582,078 km2
802 mi2
0561,471 km2
568 mi2
A04470.8%
North Fork Smoky Hill River
North Fork Smoky Hill River
North Fork Smoky Hill River is a stream that flows from a source in Cheyenne County, Colorado to a confluence with the Smoky Hill River in Logan County, Kansas....

Smoky Hill River
Smoky Hill River
The Smoky Hill River is a river in the central Great Plains of North America, running through the U.S. states of Colorado and Kansas.-Names:The Smoky Hill gets its name from the Smoky Hills region of north-central Kansas through which it flows...

0591,965 km2
759 mi2
064947 km2
366 mi2
A05048.2%
Sidney Draw South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

0601,949 km2
753 mi2
070368 km2
142 mi2
A06118.9%
South Fork Beaver Creek Beaver Creek
Beaver Creek (Colorado)
Beaver Creek is a tributary of the South Platte River in Colorado. The creek flows from a source in Elbert County to a confluence with the South Platte in Morgan County near Hillrose....

0611,939 km2
749 mi2
068522 km2
201 mi2
A05526.9%
Sand Arroyo Creek North Fork Cimarron River
North Fork Cimarron River
North Fork Cimarron River is a tributary of the Cimarron River that flows from a source in Comanche National Grassland in Baca County, Colorado. It joins the Cimarron River west of Satanta in Haskell County, Kansas....

0621,938 km2
748 mi2
0571,314 km2
507 mi2
A04567.8%
Chico Creek
Chico Creek
Chico Creek is a tributary of the Arkansas River that flows from a source in El Paso County, Colorado. It joins the Arkansas in Pueblo County just west of the town of Avondale....

Arkansas River
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in the Western United States in Colorado, specifically the Arkansas...

0631,934 km2
747 mi2
0481,934 km2
747 mi2
A022100%
Kiowa Creek
Kiowa Creek (Colorado)
Kiowa Creek is a tributary that flows into the South Platte River in Morgan County, Colorado near Orchard. The creek's source is in the Black Forest of El Paso County, northeast of Colorado Springs, Colorado....

South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

0641,888 km2
729 mi2
0491,888 km2
729 mi2
A023100%
Pawnee Creek
Pawnee Creek
Pawnee Creek is a tributary that joins the South Platte River in Logan County, Colorado south of Sterling. The creek's source is in Weld County at the confluence of North Pawnee Creek and South Pawnee Creek in Pawnee National Grassland....

South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

0651,875 km2
724 mi2
0501,875 km2
724 mi2
A024100%
McElmo Creek
McElmo Creek
McElmo Creek is a tributary that joins the San Juan River in San Juan County, Utah. The creek's source is just east of Cortez in Montezuma County, Colorado.-See also:*List of rivers of Colorado*List of rivers of Utah...

San Juan River 0661,842 km2
711 mi2
0531,654 km2
639 mi2
A03589.8%
Blue River
Blue River (Colorado)
The Blue River is a tributary of the Colorado River, approximately long, in the U.S. state of Colorado.It rises in southern Summit County, on the western side of the continental divide in the Ten Mile Range, near Quandary Peak. It flows north past Blue River and Breckenridge, then through the...

upper Colorado River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

 (Grand River
Colorado River
The Colorado River , is a river in the Southwestern United States and northwestern Mexico, approximately long, draining a part of the arid regions on the western slope of the Rocky Mountains. The watershed of the Colorado River covers in parts of seven U.S. states and two Mexican states...

)
0671,770 km2
683 mi2
0511,770 km2
683 mi2
A025100%
Piedra River San Juan River 0681,770 km2
683 mi2
0521,770 km2
683 mi2
A026100%
Piceance Creek
Piceance Creek
Piceance Creek is a tributary of the White River in Garfield County, Colorado....

White River
White River (Utah)
The White River is a tributary of the Green River, approximately long, in the U.S. states of Colorado and Utah. Flows vary from 450 ft³/s late summers in dry years to well over 12,000 ft³/s in spring....

0691,630 km2
629 mi2
0541,630 km2
629 mi2
A027100%
Little Beaver Creek Beaver Creek
Beaver Creek (Colorado)
Beaver Creek is a tributary of the South Platte River in Colorado. The creek flows from a source in Elbert County to a confluence with the South Platte in Morgan County near Hillrose....

0701,602 km2
619 mi2
072210 km2
81 mi2
A06513.1%
Clear Creek
Clear Creek (Colorado)
Clear Creek is a tributary of the South Platte River, approximately long, in north central Colorado in the United States. The creek flows through Clear Creek Canyon in the Rocky Mountains directly west of Denver, descending through a long gorge to emerge on the Colorado Eastern Plains where it...

South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

0711,497 km2
578 mi2
0551,497 km2
578 mi2
A028100%
Taylor River
Taylor River (Colorado)
The Taylor River rises close to Castle Peak in Colorado’s Elk Mountains in the northeast part of Gunnison County, near the Continental Divide....

Gunnison River
Gunnison River
The Gunnison River is a tributary of the Colorado River, long, in the Southwest state of Colorado. It is the fifth largest tributary of the Colorado River, with a mean flow of 4320 ft³/s .-Description:...

0721,258 km2
486 mi2
0581,258 km2
486 mi2
A029100%
Boulder Creek
Boulder Creek (Colorado)
Boulder Creek is a creek draining the Rocky Mountains to the west of Boulder, Colorado, as well as the city itself and surrounding plains.- Route :...

Saint Vrain Creek 0731,160 km2
448 mi2
0601,160 km2
448 mi2
A030100%
Cherry Creek
Cherry Creek (Colorado)
Cherry Creek is a tributary of the South Platte River, long, in Colorado in the United States.-Location:Cherry Creek rises in the high plateau, east of the Front Range, in northwestern El Paso County...

South Platte River
South Platte River
The South Platte River is one of the two principal tributaries of the Platte River and itself a major river of the American Midwest and the American Southwest/Mountain West, located in the U.S. states of Colorado and Nebraska...

0731,050 km2
405 mi2
0601,050 km2
405 mi2
A030100%

See also

  • hydrology
    Hydrology
    Hydrology is the study of the movement, distribution, and quality of water on Earth and other planets, including the hydrologic cycle, water resources and environmental watershed sustainability...

    • surface-water hydrology
      Surface-water hydrology
      Surface-water hydrology is a field that encompasses all surface waters of the globe...

      • drainage basin
        Drainage basin
        A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

  • State of Colorado
    • Geography of Colorado
      Geography of Colorado
      The geography of the state of Colorado is diverse, encompassing both rugged mountainous terrain, vast plains, desert lands, desert canyons, and mesas. The state of Colorado is defined as the geospherical rectangle that stretches from 37°N to 41°N latitude and from 102°03'W to 109°03'W longitude . ...

      • List of rivers in Colorado

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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