Gallatin River: hatch chart + live conditions
Classic freestone river paralleling Highway 191 through the canyon south of Bozeman. Wild fish in the upper valley; strong stonefly, caddis, and terrestrial action July through September.
Top 3 dry flies for September
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12-month hatch chart
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Frequently asked
What are the best months to fish the Gallatin River?
Best months: June, July, August, September, October.
What flies hatch on the Gallatin River in September?
Active hatches this month: blue wing olive, caddis, october caddis.
What species are in the Gallatin River?
Primary: brown trout, rainbow trout, brook trout. Classic freestone river paralleling Highway 191 through the canyon south of Bozeman. Wild fish in the upper valley; strong stonefly, caddis, and terrestrial action July through September.
Are there special fishing regulations on the Gallatin River?
No special-regulation section is listed here, so standard Montana trout regulations apply. Check MT FWP before fishing.
How do I check live water conditions on the Gallatin River?
The live USGS reading is shown at the top of this page (site 06043500). It refreshes hourly.
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