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Legendary Montana Fly Fishing

Quality Gear, Experienced Guides, Honest Info

On The Water For Over 30 Years

Our Big Sky, Montana fly fishing trips showcase the great waters of Montana and Yellowstone Park. From our central location we fish the planet’s highest concentration of world class, wild fish fly fishing waters. We offer day trips, lodging packages, and custom fly fishing adventures. Our year-round fly shop on the Gallatin River is our home base and we fish all of Montana’s best waters. Our online store is open all the time.

Since 1984, Gallatin River Guides has been a year-round source for fly fishing the Gallatin, Madison, Yellowstone, and Paradise Valley Spring Creeks. We fish a ton. With over 150 years combined guiding and fishing experience, that is all we do and we do it well. From beginner to expert, from the Madison River to a technical spring creek, we are your source for all things fishy under Montana’s Big Sky.

Our Montana Fly Fishing Trips

Montana Fishing Schools

The next few weeks in Montana for fly fishing looks promising. Our summer fly fishing trips are also booking up fast so if you want the best fly fishing guides, contact us today. If you're coming out soon, consider skiing Big Sky Resort in the morning and then trying one of our winter fly fishing trips.

Contact us today to book your winter Big Sky fly fishing guide or your winter fly fishing trip. Fly fish with fishing guides in Montana for the Upper Madison, the Yellowstone, and the Gallatin River for anytime of year.

Staying at Big Sky Resort? No problem. We pick up for a nominal fee.

Visit GallatinRiverGuidesFlyshop.com

Big Sky, Montana Fishing Options

Big Sky, Montana Fly Fishing Options

Our location in the mountains of southwest Montana, just outside Yellowstone National Park is a fly fisher's dream. And for the next month some of the year's best fishing is found. But, some of our rivers are also in full-on run-off mode. 

There lies the blessing and the curse the next month in our corner of southwest Montana—great fishing can surely be had, but, much of it requires an at-a-moment’s-notice dropping all responsibilities and going fishing.

For example, the Mother’s Day Caddis hatch and fishable conditions occur once every few years. That’s a good thing, because having a job is important and most mortgage lenders don’t accept dry fly addiction as cause for delinquency. 

So...if you're into angling adventure and uncrowded rivers, you'll dig our style for the next month.

Contact us today to start planning. 


Spring Special on Fly Fishing Packages

Big Sky Montana Fly Fishing

Our very popular fly fishing and lodging packages are simple, cover all budgets, and get you on the best waters at the best times. Here are our fly fishing package trip rates with some our great lodging partners. SPECIAL: At the Inn on the Gallatin, enjoy three nights and enjoy free breakfast for two and then fishing with one of GRG's professional fishing guides. Waters you could fish include the Gallatin, the Madison, the Yellowstone, the Paradise Valley Spring Creeks, and more. Valid for March and April. Prices start at $535 per couple.

Contact us today to book your trip.  

Visit here to book one of our Montana fly fishing package trips. 

We’ve fished all over the world but will return again and again to fish with Gallatin River Guides and crew. We had fun and fishy guides, access to amazing public and private waters, lodging, and food that left us stuffed. These guys and gals truly live the dream, and we got to live it, too. Greg & Jeff Shrader

Montana Fly Fishing Schools

Montana Fly Fishing Schools

Fishing Schools: Guide's and Women's

We are Montana's source for fly fishing instruction. We offer The Montana Fishing Guide School and The Montana Women's Fly Fishing School.

Our fishing guide school has indoor classes and seven days of on-the-water training. We cover the skils and techniques professional guides must know. If you dream of being a fly fishing guide or truly want to improve your skils, sign-up here. Our school will hone your skills and prepare you for a career as a Montana fly fishing guide.

The mission of the Montana Women's Fly Fishing School is simple: "To educate, enlighten, and inspire women fly fishers in a supportive, noncompetitive environment. To fish and have fun."

Join us for a fun-filled, no-pressure three-days of fishing, learning, and exploring some of the best waters on the planet.

Contact us today to reserve your spot.

Who Is Gallatin River Guides

Gallatin River Guides Big Sky Montana

We've been in business for over 31 years and are Big Sky's oldest. Simply put: we are the real deal. A lot of great folks exist in the fly fishing biz in Montana. We just think we are the bee's knees. The cat's meow. The cherry on top. 

We love fishing Royal Wulffs to uneducated trout. We seek-out hatches and enjoy the challenge of head-hunting. We don't always use strike indicators, but if we have to, we get after it. At times we also TweetFacebook, and Trip Advisor. 

Our owners, Pat and Brandy Straub, grew up here--no other fly shop owners in Big Sky can say that. Our manager, Jimmy Armijo-Grover, is as legit as they get. Our guide staff ranges from old to young and our shop staff knows hard work and great customer service. 

Contact us today and join us in Big Sky or anywhere fish eat flies. And bring your camera, too. 

Can't be here now? Visit our blog 

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