Iowa · Unknown Co.

Little Sioux River

· 234 mi · Class
Optimal: 425–1300 CFS · USGS #06605850
860 avg
817CFS
7.78 ft gauge height
Optimal
Stable
Flow data is live from USGS·Rapid classifications and CFS ranges need community verification·Know this river?
Avg flow: 860 cfsHist. median: 0 cfsUSGS #06605850
Designated Water Trail · State

The Little Sioux River is an Iowa prairie stream. It begins its journey in the swampy area of southwestern Minnesota and flows for approximately 220 miles, emptying into the Missouri River almost midway between Sioux City and Omaha. The Little Sioux may not offer consistent paddling opportunities in Dickinson and Clay Counties, but it does flow by scenic prairie remnants and public areas. On its southwesterly course past Spencer, its flow increases as it is joined by the Ocheyedan River. This is western Iowa’s largest interior stream; the Little Sioux’s watershed is nearly equal to the watersh

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Data Quality

River conditions are community-verified. CFS ranges, difficulty ratings, and access points may not reflect every flow level or seasonal change. Always check current conditions, scout unfamiliar rapids, and paddle within your skill level.

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