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Gallatin River Fishing Reports

Your Local Source For Fishing Reports

Big Sky Country is our backyard. We've put our passion for Montana fly fishing trips to work and have hand-picked a selection of fly-fishing lodges, overnight float trips, and day trips. If you're thinking of a Montana fly fishing vacation, looking for a multi-day wilderness fishing experience, or just visiting Bozeman or Missoula or another Montana town and want to add on a fishing trip, let Yellow Dog's Montana roots work for you.

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Gallatin River Fishing Reports
Updated Jul 07, 25

Flow Data: Gallatin River near Gallatin Gateway, MT

The Gallatin is starting to get warm in the valley in the afternoons so pay attention to the water temperature and avoid fishing when water temps hit 67 degrees.

The Gallatin has been relatively unaffected by the recent rain storms and continues to fish well. Fish may still eat a golden stone in the canyon and it is well worth trying. Caddis are flying around along with little yellow sallies and PMD's. Some Drakes are out and about in the valley. Fishing a large foamy dry with a perdigon dropper is a great way to catch fish on the Gallatin right now. The river in the valley has great caddis and PMD activity and fish are willing to eat these imitations or just a moderate sized attractor dry fly like the Micro-Chubby. Overall, the fish have been willing to participate with the excellent fishing conditions we have had over the past few weeks. Streamers have been pretty effective but may lose some appeal to trout as food on the waters surface becomes more available.

To purchase an assortment of up-to-date, hand-selected flies for the Gallatin River:

  • Select the Montana Fly Assortment below
  • Select the number of desired flies
  • Enter where and when you plan on fishing
  • Opt for In-store pickup at checkout
Bozeman Fly Fishing

Montana fishing licenses are available for purchase online at Montana Fish, Wildlife & Parks and at Yellow Dog Flyfishing - Fly Shop (some exceptions may apply). If you are planning to fish in the headwaters of the Gallatin River area above Taylor's Fork (approx. 1 mile upstream); be aware that most of this is in Yellowstone National Park which requires a separate fishing license and is seasonally open to fishing according to YNP regulations.

Fishing from a boat is not allowed on the Gallatin River from the headwaters downstream to the confluence of the West (main-stem) and East Gallatin River, however it is permissible to use a boat/craft for access for wade-fishing in this stretch of the river. Fishing from a boat is allowed downstream of this point to the rivers mouth. Bob's Shuttle provides shuttle service (seasonal) between Manhattan and Three Forks on the Gallatin River and can be reached at 406-595-0587 via voice or text. In general, shuttles should be arrange the day prior or before 9 am the morning of your departure.

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Historical River Flow