The Little Laramie River, often referred to simply as the Little Laramie, is one of the largest tributaries of the 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...

, flowing 45.7 miles (73.5 km). The Little Laramie is formed by the merger of three smaller streams, the North Fork, the Middle Fork and the South Fork of the Little Laramie. The drainage basin of the tributaries of the Little Laramie River includes much of the eastern half of the Snowy Range as well as all steams flowing through the Centennial Valley. After leaving the base of the Snowy Range, the small river flows northeast, eventually emptying into the Laramie River.

North fork

The North Fork flows eastward from snowpack in the highest peaks in the Snowy Range, past the town of Centennial

Centennial, Wyoming

Centennial is a census-designated place in Albany County, Wyoming, United States. The population was 191 at the 2000 census.-History:As the Union Pacific Railroad was pushing west to link up with the Central Pacific Railroad, as part of the First Transcontinental Railroad, they sent logging crews...

 to where it merges with the Little Laramie River. The largest tributary of the North Fork is Libby Creek

Libby Creek

The Libby Creek is a stream on the eastern slopes of the Snowy Range in southern Wyoming. Libby Creek starts as it flows out of Libby Lake and flows violently down the east side of the Snowies until it empties into the North Fork of the Little Laramie....

.