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River guide · Montana

Fly Fishing the Big Hole River

One of Montana's most storied freestone rivers, the Big Hole flows through remote, open country from the Beaverhead Mountains to Twin Bridges, home to the last self-sustaining population of fluvial Arctic grayling in the lower 48 and a salmonfly hatch that draws anglers from across the country.

When to fish

April–October

Best months: April–October

  • Best
  • Off-peak

Skwala Stonefly: mid-April. Mother's Day Caddis: May.

Today's conditions

Where to fish

Along the Big Hole River

Montana FWP maintains public fishing access sites throughout the river corridor including Salmon Fly, Brownes Bridge, Kalsta Bridge, Glen, Notch Bottom, Pennington Bridge, and High Road sites. Highway 43 and secondary roads parallel much of the river through Wisdom and Melrose.

The water

Freestone

Key hatches

  • Skwala Stonefly
  • Mother's Day Caddis
  • Salmonfly
  • Golden Stonefly
  • Spruce Moth / Trico
Hatch calendar

Conditions

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6-day forecast

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Forecast from the National Weather Service ↗

Key hatches

  • Skwala Stonefly (mid-April)
  • Mother's Day Caddis (May)
  • Salmonfly (mid-June–early July)
  • Golden Stonefly (July)
  • Spruce Moth / Trico (late July–August)
  • Blue-winged Olive / Baetis (September–October)

Fly shops near the Big Hole River

Shops and guides that fish the Big Hole River. See all 93 Montana shops →

From The Fly Bench

Tie the flies that work on the Big Hole River

Step-by-step tying recipes & videos for these patterns.

Browse patterns at The Fly Bench
Gear up

Gear up on the Big Hole River

Everything you need before the next trip — rods, lines, leaders, and fly-tying materials.

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Flies that work

The flies that work on the Big Hole River

Find the most effective patterns for where you're fishing — and learn to tie them yourself, step by step.

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