Idaho · Unknown Co.

Snake River, Henry's Fork

· 33 mi · Class
Optimal: 180–550 CFS · USGS #13168500
369 avg
181CFS
5.12 ft gauge height
Optimal
Stable
Flow data is live from USGS·Rapid classifications and CFS ranges need community verification·Know this river?
Avg flow: 369 cfsHist. median: 0 cfsUSGS #13168500
Bureau of Land Mangement

Originating at the outlet of Henry’s Lake, the river offers world-renowned fly fishing and is home to many trumpeter swans. The headwaters also provides habitat for moose, muskrat, geese and blue heron, as well as spawning grounds for rainbow trout. The headwaters below Henry's Lake flow through private lands prior to reaching the Forest Service boundary near Big Springs. From this location to the confluence with the Warm River is primarily adjacent to Forest Service lands. From the Warm River confluence to St. Anthony, the Henry's Fork primarily flows by private lands but there are a

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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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