Alamosa River

River in Colorado, United States

37°21′44″N 106°37′12″W / 37.36222°N 106.62000°W / 37.36222; -106.62000^[1] MouthRio Grande

• location

arid land south of Alamosa

• coordinates

37°23′54″N 106°50′20″W / 37.39833°N 106.83889°W / 37.39833; -106.83889^[1]Length64 mi (103 km), west-eastBasin size148 sq mi (380 km²)

The Alamosa River is a river in the southern part of the U.S. state of Colorado. It is about 64 miles (103 km) long,^[2] flowing roughly east through the San Luis Valley. Its watershed comprises about 148 square miles (380 km²).

The river's name means "shaded with cottonwoods" in Spanish.^[3]

The river was affected by the Summitville mine disaster, the worst cyanide spill in United States history.

References

^ ^a ^b U.S. Geological Survey Geographic Names Information System: Alamosa River
^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-03-29 at the Wayback Machine, accessed March 31, 2011
^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. pp. 19.