River Explorer

Rivers in Idaho

Community-mapped river reaches across Idaho. Length, water type, and live USGS flow where a gauge sits on the water.

Loads the full map of these rivers. We leave it off by default so the page opens fast on mobile data.

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Free to browse
USGS-sourced rivers
Open in the app for live flow and tracking

State rankings

Biggest Lakes and Reservoirs in Idaho

River data from the USGS National Hydrography Dataset (public domain). Live flow, where shown, from USGS Water Data.

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