The Prairie River is a small river that flows 54 miles (86.9 km) through Branch

Branch County, Michigan

-Demographics:As of the 2000 census, there were 45,787 people, 16,349 households, and 11,575 families residing in the county. The population density was 90 people per square mile . There were 19,822 housing units at an average density of 39 per square mile...

 and St. Joseph

St. Joseph County, Michigan

-Demographics:As of the census of 2000, there were 62,422 people, 23,381 households, and 16,600 families residing in the county. The population density was 124 people per square mile . There were 26,503 housing units at an average density of 53 per square mile...

 counties in Michigan

Michigan

Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....

. The river rises at 41°48′20"N 85°00′54"W in northern Kinderhook Township

Kinderhook Township, Michigan

Kinderhook Township is a civil township of Branch County in the U.S. state of Michigan. As of the 2000 census, the township population was 1,614.- Communities :There are no incorporated municipalities within the primarily agricultural township...

 in Branch County

Branch County, Michigan

-Demographics:As of the 2000 census, there were 45,787 people, 16,349 households, and 11,575 families residing in the county. The population density was 90 people per square mile . There were 19,822 housing units at an average density of 39 per square mile...

, and flows west-northwest into the St. Joseph River at 41°54′45"N 85°38′21"W just south of the city of Three Rivers

Three Rivers, Michigan

Three Rivers is a city in St. Joseph County in the US state of Michigan. The population was 7,811 at the 2010 census.Three Rivers derives its name from the confluence of the St. Joseph River with its tributaries the Rocky and Portage Rivers. It is the home of St...

.

Drainage basin

The Prairie River drains all or portions of the following:

• Branch County, Michigan
  Branch County, Michigan
  -Demographics:As of the 2000 census, there were 45,787 people, 16,349 households, and 11,575 families residing in the county. The population density was 90 people per square mile . There were 19,822 housing units at an average density of 39 per square mile...
  
  
  • Bethel Township
    Bethel Township, Michigan
    Bethel Township is a civil township of Branch County in the U.S. state of Michigan. As of the 2000 census, the township population was 1,421.- Communities :There are no incorporated municipalities within the township....
    
    
  • Bronson Township
    Bronson Township, Michigan
    Bronson Township is a civil township of Branch County in the U.S. state of Michigan. As of the 2000 census, the township population was 1,358....
    
    
  • Gilead Township
    Gilead Township, Michigan
    Gilead Township is a civil township of Branch County in the U.S. state of Michigan. As of the 2000 census, the township population was 753.There are no incorporated municipalities within the primarily agricultural township...
    
    
  • Kinderhook Township
    Kinderhook Township, Michigan
    Kinderhook Township is a civil township of Branch County in the U.S. state of Michigan. As of the 2000 census, the township population was 1,614.- Communities :There are no incorporated municipalities within the primarily agricultural township...
    
    
  • Noble Township
    Noble Township, Michigan
    Noble Township is a civil township of Branch County in the U.S. state of Michigan. The population was 518 at the 2000 census.There are no incorporated municipalities in the primarily agricultural township...
    
    
  • Ovid Township
    Ovid Township, Branch County, Michigan
    Ovid Township is a civil township of Branch County in the U.S. state of Michigan. The population was 2,432 at the 2000 census.- Communities :There are no incorporated municipalities in this primarily agricultural township...
    
    

• St. Joseph County
  St. Joseph County, Michigan
  -Demographics:As of the census of 2000, there were 62,422 people, 23,381 households, and 16,600 families residing in the county. The population density was 124 people per square mile . There were 26,503 housing units at an average density of 53 per square mile...
  
  
  • Burr Oak Township
    Burr Oak Township, Michigan
    Burr Oak Township is a civil township of St. Joseph County in the U.S. state of Michigan. As of the 2000 census, the township population was 2,739...
    
    
  • Colon Township
    Colon Township, Michigan
    Colon Township is a civil township of St. Joseph County in the U.S. state of Michigan. The population was 3,405 at the 2000 census. The village of Colon is located within the township.-Geography:...
    
    
  • Fawn River Township
    Fawn River Township, Michigan
    Fawn River Township is a civil township of St. Joseph County in the U.S. state of Michigan. The population was 1,648 at the 2000 census. The township is named for the Fawn River.-Geography:...
    
    
  • Lockport Township
    Lockport Township, Michigan
    Lockport Township is a civil township of St. Joseph County in the U.S. state of Michigan. The population was 3,814 at the 2000 census.-Geography:...
    
    
  • Nottawa Township
    Nottawa Township, St. Joseph County, Michigan
    Nottawa Township is a civil township of St. Joseph County in the U.S. state of Michigan. The population was 3,999 at the 2000 census. The township is named after the Nottawaseppi Huron Band of Potawatomi.-History:...
    
    
  • Sherman Township
    Sherman Township, St. Joseph County, Michigan
    Sherman Township is a civil township of St. Joseph County in the U.S. state of Michigan, located just north of Sturgis. The population was 3,248 at the 2000 census.-Geography:...
    
    

• Steuben County, Indiana
  Steuben County, Indiana
  Steuben County is a county located in the northeast corner of the U.S. state of Indiana. As of 2010, the population was 34,185. The county seat is Angola...
  
  
  • Jamestown Township
    Jamestown Township, Steuben County, Indiana
    Jamestown Township is one of twelve townships in Steuben County, Indiana, USA. As of the 2000 census, its population was 3,389.-Geography:Jamestown Township covers an area of ; of this, or 12.73 percent is water...
    
    
  • Millgrove Township

Tributaries

(from the mouth)

• (right) Spring Creek
  • Nottawa Ditch
  • Colon Ditch
    • Washburn Lake
  • Beaver Drain
    • Beaver Lake
• Lake Templene is formed by an impoundment on the river
• (right) outflow from Bryant Lake
• (left) outflow from Perrin Lake
• Prairie River Lake, a natural lake on the river
• (left) outflow from Fish Lake
  • outflow from Hawkins Lake
    • outflow from Eight Foot Lake
      • outflow from Grey Lake
        • outflow from Omena Lake
• (left) Stewart Lake Drain
  • Stewart Lake
• (left) outflow from Lake Pleasant
  • outflow from Lake Michiana (Hog Lake)
• (left) outflow from Dragon Lake,