West Branch Laramie River

West Branch Laramie River is a 6.0-mile-long (9.7 km) tributary of the Laramie River in Larimer County, Colorado The river's source is Island Lake in the Rawah Wilderness. It flows through Carey Lake then northeast to a confluence with the Laramie River.

Source: Wikipedia https://en.wikipedia.org/wiki/West_Branch_Laramie_River