North Fork Big Thompson River

North Fork Big Thompson River[1]
Origin	40°29′20″N 105°38′38″W / 40.48889°N 105.64389°W / 40.48889; -105.64389
Mouth	Confluence with Big Thompson 40°25′57″N 105°20′20″W / 40.4325°N 105.33889°W / 40.4325; -105.33889Coordinates: 40°25′57″N 105°20′20″W / 40.4325°N 105.33889°W / 40.4325; -105.33889
Progression	Big Thompson— South Platte—Platte— Missouri—Mississippi
Source elevation	13,120 ft (4,000 m)
Mouth elevation	6,152 ft (1,875 m)

The North Fork Big Thompson River is a 22.7-mile-long (36.5 km)^[2] tributary of the Big Thompson River in Larimer County, Colorado. The river's source is Rowe Glacier on the north slope of Hagues Peak, in the Mummy Range of Rocky Mountain National Park. It flows through Lake Dunraven, over Lost Falls and through Glen Haven before a confluence with the Big Thompson in Drake.

References

1. ^ "North Fork Big Thompson River". Geographic Names Information System, U.S. Geological Survey. http://geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:177650. Retrieved 2011-02-03. 
2. ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed March 25, 2011

See also

• List of rivers of Colorado