Snake River, Hells Canyon Dam to Clearwater Confluence (Lewiston)

August 21, 2026

By Barbless, compiled each morning from the gauges, forecasts and sources on this page.

Snake River, Hells Canyon Dam to Clearwater Confluence

Current conditions for Snake River, Hells Canyon Dam to Clearwater Confluence (Lewiston) · Map, access and gauges

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Conditions

Steelhead are moving into the system as summer transitions to fall, and smallmouth bass are active around rocky structure. At 16,400 cfs, you'll want to fish multiple depths and be ready to adjust presentations. Steelhead respond to Scandi, mid-belly, and Skagit setups, while bass will chase poppers and smaller baitfish patterns around current seams and deeper holding water.

Gauges

Techniques

  • Scandi and mid-belly lines, Skagit and sink-tip setups for deeper runs; poppers for smallmouth early and late day, smaller baitfish patterns on intermediate line or light sink tip when sun is higher

Recommended flies

Scandimid-belly linesSkagit setupssink-tip setupspopperssmaller baitfish patterns