Alamosa River

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Alamosa River
Alamosa River.JPG
The river at Capulin.
Etymology"of cottonwood"
CountryUnited States
Physical characteristics
 ⁃ coordinates37°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; -106.83889Coordinates: 37°23′54″N 106°50′20″W / 37.39833°N 106.83889°W / 37.39833; -106.83889[1]
Length64 mi (103 km), west-east
Basin 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.

See also[edit]


  1. ^ a b U.S. Geological Survey Geographic Names Information System: Alamosa River
  2. ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-04-05 at WebCite, accessed March 31, 2011
  3. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. p. 19.

External links[edit]