Montana fly fishing trips, guides, and gear
Gallatin River Guides is Big Sky's home to honest fishing info, guided fly fishing trips and instruction on the waters of Montana and Yellowstone Park, renowned customer service, and the gear for near and far.
Montana Fishing Trips and Vacations. Rivers we fish:
Missouri River flow: 3930 cfs
The Mighty Mo, a river that thinks it’s a spring creek. Don’t be fooled by the slow current and peaceful surroundings, my friend: This is big water with lots of big fish. Read more.
- Spring Creeks
Year-round hatches. Stalking sipping trout. And scenery to die for — that is fishing the spring creeks with Gallatin River Guides. We love these waters and guide them regularly. Read more.
- Upper Madison
Upper Madison River flow: 1240 cfs
Famous fly fishing waters. Our guides love this water for its beauty, it’s dry fly fishing, and it’s technicality. Caddis, stoneflies, mayflies, and midges dominate this river, making for hungry and happy trout. Read more.
- Lower Madison
Lower Madison River flow: 1500 cfs
Float fishing abounds on this local river. Thirty minutes from our shop and offering hatches of caddis, mayflies, and stoneflies, this is a great beginners river holding some big fish for those looking for a challenge. Read more.
Gallatin River flow: 824 cfs
Big Sky Montana’s home water. Fly fish right out our back door. With over 3,500 trout per mile, this river is why we are here. Fish it with us and discover it’s treasures and it’s secrets. Read more.
Yellowstone River flow: 5040 cfs
Home to four species of trout, some of which are trophy brown trout and many of which are native Yellowstone cutthroat. Near Livingston and Yellowstone Park we fish this beautiful river. Read more.
- Yellowstone National Park
Yellowstone National Park is home to several streams that feature native Yellowstone Cutthroat trout. Slough Creek, Pelican Creek, the Lamar, Gardiner, and Yellowstone rivers all harbor these beautiful, easy-going fish. But, be ready, because they may be easy-going, but they’re ready for a tussle once caught. Read more.
Fishing is what we do.
And been doing it right for over 30 years.
Gallatin River Guides is Big Sky's year-round fishing-only shop and outfitter serving the Gallatin, the Madison, and Yellowstone National Park. We fish a ton. Period. Fishing is what we do - not skiing, not biking, not backpacking. We do one thing and we do it well. From beginner to expert, from the Madison to the spring creeks, GRG is your source for fly fishing in Big Sky.
Where We're Fishing Now
Gallatin: Near Big Sky
Upper Madison: Lyons
Lower Madison: Bikini hatch
Yellowstone: Pine to Carters
Fly Pattern Hot Sheet
- Elkhair Caddis
- Parachute Adams
- Pat's Rubberlegs
- Lightning Bug
Montana Women's Fly Fishing School
Are you part of the growing number of women fly fishers? Whether you already are or want to be join us for a fun-filled, no-pressure week of fishing, learning, and exploring some of the best waters on the planet. The Montana Women’s Fly Fishing School, based in Big Sky and Bozeman, Montana, is a week-long fly fishing trip with professional guides and instructors. Join fellow women anglers and women guides and fish the Gallatin, Madison, and Yellowstone Rivers. Sound awesome? Well, we think it is awesome. For Montana fly fishing trips and Big Sky, Montana fly fishing this is a great week.
Visit the school’s website for more information and then contact us today to sign up or ask questions.
Montana Fly Fishing Trips
Summer is here. The Gallatin River between Bozeman and Yellowstone National Park is fishing well. Our Big Sky fishing guide trips get you on the water when the fishing is the best. Our fun, patient, and expert professional Montana fly fishing guides are ready to take you. Contact us today to book your Big Sky fly fishing guide or your Bozeman fly fishing trip. Fly fish with fishing guides in Montana for the Upper Madison, the Yellowstone, and the Gallatin River for anytime of year.
Need to stock up on gear or want a screaming deal?
Montana Fly Fishing Guide School
Want to be a fly fishing guide or dreamed of calling your boss and telling him or her to, well, you know...then come take our fishing guide school near Bozeman, Montana. Our October session is shaping up to be great. Dates: October 11-17 and there is still space. We fish the Yellowstone, Madison, Missouri Rivers and the waters near Big Sky, Bozeman, and Helena Montana. Our fly fishing guide school is committed to professionalism and quality, just like the fishing guides we hire in Montana. It is built on the foundation of great teaching from our world-class instructors, our dynamic and challenging course curriculum, and the best classroom on the planet with the rivers, spring creeks, and lakes of Montana. If you want to make a living doing guided fly fishing trips on the Madison, Yellowstone, Gallatin, and Missouri Rivers, then take our guide school.