Trout biomass (lbs/mile) by stream, live from Wyoming Game & Fish · ← Idaho Stream Finder
Toggle a class to filter the map. Higher classes = more trout per mile.
Classes are Wyoming Game & Fish's own designations from their public Fishing Guide data. Stream shapes are simplified for speed; click any stream for its name, class, and game fish. “Clear” (no trout) streams load only when you enable them.