Complete Guide to Fishing in Montana

145 fishing guides across 146 cities. Best months: May, June, March, April. Charters from $585.

Montana, the Treasure State, offers anglers an unparalleled freshwater fishing experience across its vast and diverse landscapes. From the glacier-fed rivers of the Rocky Mountains to the expansive plains of the east, the state teems with opportunities to hook into trophy-sized fish. The Missouri River, the longest in North America, snakes its way through Montana, providing prime habitat for Walleye, Catfish, and Northern Pike, especially near cities like Fort Benton and near the confluence with the Milk River near Nashua. Fly fishing enthusiasts flock to the western part of the state, drawn to the legendary waters of the Yellowstone, Madison, and Gallatin Rivers, home to abundant populations of Rainbow Trout, Brown Trout, and native Cutthroat Trout. These rivers, immortalized in "A River Runs Through It," provide some of the most scenic and challenging fly fishing in the world. Don't overlook the smaller, lesser-known streams; they often hold surprisingly large fish and offer a more secluded experience.

The best time to cast a line in Montana largely depends on your target species. For trout, the shoulder seasons of spring (May-June) and fall (September-October) are generally considered prime, offering comfortable temperatures and less crowded conditions. The summer months (July-August) can be productive, but higher water temperatures can stress fish, so early morning and late evening fishing are recommended. For warm-water species like Walleye and Northern Pike, the summer months are ideal, as these fish become more active in warmer water. Ice fishing is also a popular winter activity on many of Montana's lakes and reservoirs, offering a chance to catch trout, perch, and other species through the ice. Be sure to check local regulations and ice conditions before venturing out.

Several Montana cities serve as excellent bases for fishing adventures. Missoula, located in western Montana, is a hub for fly fishing, with easy access to the Blackfoot, Clark Fork, and Bitterroot Rivers. Bozeman, near the Gallatin River and several smaller streams, is another popular choice, offering a vibrant fishing community and numerous guiding services. Billings, situated on the Yellowstone River, provides access to both trout and warm-water fisheries. Shelby and Chinook, located near the Marias River and Tiber Reservoir, are excellent for Walleye and Northern Pike. Regardless of where you choose to fish, remember to respect the environment, practice catch-and-release when appropriate, and be aware of Montana's fishing regulations.

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Montana Monthly Fishing Calendar

See which species are active each month. Green = good or excellent fishing.

Montana Fishing Regulations

Fishing License

Cost: Resident: $23 | Non-Resident: $86

Required for ages 12+. Conservation license required as base. Covers all state waters.

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SpeciesSeasonBag LimitSize Limit
Largemouth BassYear-round5 per dayNo size limit
Smallmouth BassYear-round5 per dayNo size limit
Channel CatfishYear-roundNo limitNo size limit
CrappieYear-roundNo limitNo size limit
Brown TroutYear-round3 per dayNo size limit
WalleyeYear-round5 per dayNo size limit
Northern PikeYear-round3No size limit
Rainbow TroutYear-round5No size limit
Atlantic SalmonYear-round0No possession allowed
Brook TroutYear-round, unless otherwise specifiedVaries by waterbody; check specific regulationsVaries by waterbody; check specific regulations
Cutthroat TroutYear-round, unless otherwise specifiedVaries by waterbody; check specific regulationsVaries by waterbody; check specific regulations
Kokanee SalmonYear-roundVaries by waterbody; check specific regulationsNo size limit
Mountain WhitefishYear-round20 per dayNo size limit
Striped BassYear-roundNo limitNo size limit
CatfishYear-roundNo limitNo size limit

Frequently Asked Questions

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