Best muskellunge lakes in Montana
5 Montana waters hold muskellunge, 5 mapped with real state-agency depth surveys. Ranked below by size and depth-data quality — open any water to see exactly where to fish it: depth contours, scored spots with plain-English reasons, seasonal windows and bait picks. The fish of 10,000 casts. Apex predator that shadows weed edges, rock and open-water bait schools.
- Ackley Lake — 39 ft max · survey depth data · Rainbow Trout, Muskellunge, Brown Trout, Brook Trout
- Lake Josephine — 8 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Crappie
- Lake Elmo — 16 ft max · survey depth data · Largemouth Bass, Crappie, Bluegill, Channel Catfish
- Gartside Reservoir — 18 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Northern Pike
- Ostle Reservoir — 4 ft max · survey depth data · Rainbow Trout, Muskellunge
When to fish muskellunge in Montana
- Spring 3–12 ft — Post-spawn fish recover in shallow, warming bays — smaller baits, slower work.
- Summer 8–25 ft — Deep weedlines, rock points and open-water humps near bait schools.
- Fall 8–30 ft — The trophy season: big baits worked slow on steep rock and remaining green weeds.
- Winter 15–35 ft — Mostly dormant; deep basins adjacent to structure.
Also in Montana: best largemouth bass lakes · best smallmouth bass lakes · best walleye lakes · best sauger lakes · best northern pike lakes · best crappie lakes · best bluegill lakes · best channel catfish lakes · best rainbow trout lakes · best yellow perch lakes · best common carp lakes · best lake trout lakes · best brown trout lakes · best brook trout lakes · best kokanee lakes · best lake whitefish lakes · best burbot lakes · best arctic grayling lakes · best cutthroat trout lakes · best pumpkinseed lakes
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