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River guide · Montana

Fly Fishing the Gallatin River

A classic freestone running through the Gallatin Canyon, with wade-friendly pocket water and strong caddis and stonefly hatches.

  • 13 shops nearby
  • freestone
  • July–September
  • Montana
  • 5 key hatches
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The best time to fly fish the Gallatin River is July–September. Key hatches include Salmonfly, Golden Stonefly, Pale Morning Dun, Caddis. 13 fly shops near the Gallatin River can outfit your trip.

Fly shops near the Gallatin River

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

Hatches & seasons

When & what to fish on the Gallatin River

River typefreestone
Best seasonJuly–September
AccessHwy 191 parallels the river through Gallatin Canyon with abundant pull-offs; the river is closed to fishing from boats, making it classic wade water.
Key hatches
  • Salmonfly (early July)
  • Golden Stonefly (July)
  • Pale Morning Dun (summer)
  • Caddis (summer evenings)
  • Hopper / Terrestrials (Aug–Sept)
From The Fly Bench

Tie the flies that work on the Gallatin River

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

Browse all 880+ patterns at The Fly Bench
Gear up

Gear up on the Gallatin 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 Gallatin River

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

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Updated June 2026