Big Wood River

Outlook · Sep 16–23

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Big Wood River

Current conditions for Big Wood River · Map, access and gauges

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Flow

1.7 cfs

Trend

Steady

Observed

32d ago

Hatch Status

Fall Baetis hatching, fish move into tailouts and shallow riffles

Conditions

Cooler weather through mid-September has triggered Red Quills and Fall Baetis on the Big Wood. Fish are moving into tailouts and shallow riffles, feeding hard but remaining skittish, approach with care. Flows are stable at much-below-normal levels, creating ideal conditions for sight-casting to selective trout. Expect clear skies early in the week with rain moving in later; plan your trip around morning and evening windows when light is low and fish are less wary.

Gauges

Live cameras

Big Wood River at Hailey Total Flow

USGS 13139510 · Oct 18, 2026, 5:00 PM

Every 60 min · daylight

Techniques

  • Trail small beaded nymph behind hopper or Hecuba is very productive
  • Hoppers and ants work well for searching the water

Recommended flies

Red QuillsBaetis nymphsTricosCaddisChubby ChernobylsRubber Legged StonesStreamers