Gallatin River Fishing Report
Date: 05/20/2026
Posted by: Toby SwankCurrent Conditions
The Gallatin River has been fishing well again this week and is worth getting out on for a few hours or even a full day. The recent cold snap helped slow runoff down, and the river has dropped back into much better shape.
Flows have stabilized, clarity has improved, and fish are feeding more consistently again. Most fish are holding in the deeper buckets, softer seams, and slower runs where they can sit comfortably out of the heavier current.
Nymphing has been the most productive approach. pat’s rubberlegs paired with smaller attractors like lightning bugs, rainbow warrior perdigons, spanish bullets, or blowtorches have all been getting eaten. Keeping flies down and slowing things through the deeper water has been the biggest factor.
Streamer fishing has also improved with the better clarity. Olive, black, and white patterns fished tight to structure and along the banks have been moving fish, especially during cloud cover or lower light periods.
There have been a few caddis and BWOs around during the afternoons as well, although most of the consistency is still below the surface.
The Gallatin is back to being a good option around Bozeman right now and should continue to fish well until warmer weather starts pushing flows back up again.
Addtional Gallatin River Fly Fishing Resources:
- Bozeman Fly Fishing Guide To May
Stream Flows
Flows
Recommended Flies
Pheasant Tail
Brown Pat's Rubberleg
Amber Jiggy Caddis Pupa
Purple Lite Brite Perdigon
Prince Nymph
Black Pat's Rubberleg
Purple Psycho Prince
Rainbow Spanish Bullet
Gallatin River Fishing
Read our "Gallatin River Fishing Guide" to learn more about fly fishing in Montana on the Gallatin River. It is a great resource for anglers fishing near Bozeman Montana and details the various river stretches and seasonal hatches with tips from our Bozeman fly fishing guides.
Additional Gallatin River Fly Fishing Resources
Montana River Shuttles
Post Date: 03/29/2025
River shuttle services are an integral part of the Montana fly fishing scene as floating these legendary western rivers is the standard way to fish and experience them. Be sure...
Learn MoreMontana Fly Fishing Trip Photo Galleries
Post Date: 03/29/2025
Get a glimpse into a day of guided fly fishing in Montana from the viewpoint of the guides and guests with Bozeman fly fishing outfitter, Fins and Feathers Guide Service...
Learn MoreGallatin River Guided Fly Fishing Trips
Post Date: 03/29/2025
Montana fly fishing trips on the Gallatin River with the team at Fins and Feathers Guide Service includes wading the canyon sections south of Bozeman and floating the lower river...
Learn MoreGallatin River Fly Fishing Area Map
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