• image1
  • image2
  • image5
  • image4
  • image6

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 Trips

The next few weeks in Montana for fly fishing look very promising here in Big Sky. 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 one of our full day float trips on the Upper Madison or one of our walk-and-wade trips on the Paradise Valley Spring Creeks with one of our veteran fly fishing guides...like our owner, Pat, who guides the creeks regularly. 

Contact us today to book your Big Sky fly fishing guide or your summer fly fishing trip or fishing and lodging package. 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. 

Three Rivers in Three Days Fishing Trip

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. If you're not sure what river to fish...fish all the best in one simple trip. We've created the perfect Montana angling sampler:

Our very popular Three Rivers in Three Days Trip gets you on the Gallatin, Madison, and Yellowstone Rivers. 

Day One: Walk-and-wade the stunning Gallatin River in the same canyon they filmed A River Runs Through It. 

Day Two: Float fish the renowned Madison River from the comfort of a driftboat with one of our experienced fly fishing guides. 

Day Three: It's to the Yellowstone and Paradise Valley and trying to fool its wild and native trout with big dry flies. 

Lodging is not included in the price of the trip, but we can package it for you or simply suggest our favorite Bozeman and Big Sky lodging options. 

Want to fish three rivers in three days that are a little less known, contact us with a phone number, and we'll call you back on a secure line...

Contact us today to start planning. 

Fishing and Lodging Package Trips

Big Sky Montana Fly Fishing

Need a new fly fishing adventure? Looking for the perfect trip for you or someone you know?

Discover our Montana fly fishing and lodging packages. Fish the state's best waters in one trip. 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 THROUGH MAY: 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 May only. Prices start at $755 per couple.

Contact us today to book your trip.  

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 

Top of page

Contact Us.   Let's Talk Fishing