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

September 18, 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

At 13,100 cfs at Lower Granite, flows are beginning to normalize and some holding water is becoming easier to cover with lighter tips and lines. This is a good time to keep moving and work multiple pieces of water methodically. Focus on inside corners, broad tailouts, current transitions, and softer lanes adjacent to the main current where traveling fish tend to stack. Coverage remains productive if you're willing to cover ground and adjust your presentation to changing water conditions.

Gauges

Techniques

  • Inside corners, broad tailouts, current transitions and softer lanes next to main current all worth checking for traveling fish. With less water in river, some spots become easier to cover with lighter tips and lines.

Recommended flies

Lighter tips and linesSkagit setups