Ocheyedan River

Ocheyedan River
The Ocheyedan River near Spencer in Clay County, Iowa
Mouth of the Ocheyedan River
Location
CountryUS
StateIowa, Minnesota
CountiesNobles County, Minnesota, Iowa: Clay, O'Brien, Osceola Counties
Physical characteristics
Source 
  coordinates43°32′49″N 95°38′17″W / 43.547°N 95.638°W / 43.547; -95.638
MouthMissouri River
  coordinates
43°08′10″N 95°09′11″W / 43.136°N 95.153°W / 43.136; -95.153
Length58 mi (93 km)
Discharge 
  locationSpencer, Iowa
  average349 cu/ft. per sec. (median)
Basin features
ProgressionOcheyedan River→ Little Sioux RiverMissouri River Mississippi RiverGulf of Mexico
River systemMissouri River

The Ocheyedan River is a tributary of the Little Sioux River, 58 mi (93 km) long, in southwestern Minnesota and northwestern Iowa in the United States. Via the Little Sioux and Missouri Rivers, it is part of the watershed of the Mississippi River. The river has been channelized for much of its length.