← Montana fishing maps

Best largemouth bass lakes in Montana

49 Montana waters list largemouth bass (official records or labelled estimates), 49 mapped with survey or official-chart depth data. Ranked below by size and depth-data quality, leading with the waters in our reviewed search catalog — open any water to see exactly where to fish it: depth contours, scored spots with plain-English reasons, seasonal windows and bait picks. Ambush predator that relates to cover — weeds, timber, docks — and moves shallow to feed.

1. Flathead Lake — 380 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Northern Pike, CrappieWhy #1: survey-backed contours receive the ranking's data-quality boost · 4 public access sites
2. Canyon Ferry Reservoir — 130 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #2: survey-backed contours receive the ranking's data-quality boost · 9 public access sites
3. Little Bitterroot Lake — 260 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Rainbow Trout, Yellow PerchWhy #3: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
4. Seeley Lake — 120 ft max · real survey depth contours · Largemouth Bass, Northern Pike, Rainbow Trout, Yellow PerchWhy #4: survey-backed contours receive the ranking's data-quality boost · 4 public access sites
5. Bull Lake (Lincoln) — 60 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #5: survey-backed contours receive the ranking's data-quality boost · 1 public access site
6. Salmon Lake — 65 ft max · real survey depth contours · Largemouth Bass, Northern Pike, Rainbow Trout, Yellow PerchWhy #6: survey-backed contours receive the ranking's data-quality boost · 4 public access sites
7. Echo Lake (Flathead) — 70 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #7: survey-backed contours receive the ranking's data-quality boost · 1 public access site
8. Placid Lake — 93 ft max · real survey depth contours · Largemouth Bass, Rainbow Trout, Yellow Perch, Brown TroutWhy #8: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
9. Lake Mary Ronan — 40 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Northern Pike, Rainbow TroutWhy #9: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
10. Glen Lake — 30 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Rainbow Trout, Yellow PerchWhy #10: survey-backed contours receive the ranking's data-quality boost · 1 public access site
11. Blanchard Lake — 30 ft max · real survey depth contours · Largemouth Bass, Northern Pike, Crappie, Yellow PerchWhy #11: survey-backed contours receive the ranking's data-quality boost · 1 public access site
12. Beaver Lake — 100 ft max · real survey depth contours · Largemouth Bass, Rainbow Trout, Yellow Perch, Brook TroutWhy #12: survey-backed contours receive the ranking's data-quality boost · 1 public access site
13. Peterson Lake — 39 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Northern Pike, CrappieWhy #13: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
14. Castle Rock Reservoir — 40 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #14: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
15. Canyon Lake (Carbon) — 80 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #15: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
16. South Sandstone Reservoir — 20 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #16: survey-backed contours receive the ranking's data-quality boost · 1 public access site
17. Bailey Reservoir — 30 ft max · real survey depth contours · Largemouth Bass, Walleye, Northern Pike, CrappieWhy #17: survey-backed contours receive the ranking's data-quality boost · 1 public access site
18. Upsata Lake — 40 ft max · real survey depth contours · Largemouth Bass, Northern Pike, Rainbow Trout, Yellow PerchWhy #18: survey-backed contours receive the ranking's data-quality boost · 1 public access site
19. Savage Lake — 65 ft max · real survey depth contours · Largemouth Bass, Yellow Perch, Brook Trout, Cutthroat TroutWhy #19: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
20. Lake Josephine — 8 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, CrappieWhy #20: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
21. Murphy Lake — 25 ft max · real survey depth contours · Largemouth Bass, Northern Pike, Yellow PerchWhy #21: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
22. Lake Elmo — 16 ft max · real survey depth contours · Largemouth Bass, Crappie, Bluegill, Channel CatfishWhy #22: survey-backed contours receive the ranking's data-quality boost · 3 public access sites
23. Loon Lake (Lake) — 52 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Crappie, Rainbow TroutWhy #23: survey-backed contours receive the ranking's data-quality boost · 1 public access site
24. Frenchtown Pond — 14 ft max · real survey depth contours · Largemouth Bass, Rainbow Trout, PumpkinseedWhy #24: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
25. Abbot Lake — 26 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Northern Pike, CrappieWhy #25: survey-backed contours receive the ranking's data-quality boost · no verified access record attached

…plus 24 more Montana waters holding largemouth bass.

Find the closest largemouth bass waters to you →

When to fish largemouth bass in Montana

• Spring 2–10 ft — Pre-spawn through spawn: target shallow flats, pockets and cover near deep access.
• Summer 8–20 ft — Fish the edges: weedlines, drop-offs, and deep cover close to shallow feeding areas.
• Fall 4–15 ft — Follow the baitfish: points and creek channels leading into pockets.
• Winter 15–35 ft — Slow and deep: steep drops and channel bends near wintering basins.

Also in Montana: 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 muskellunge 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

Largemouth Bass elsewhere: Ontario · Wisconsin · Minnesota · British Columbia · Québec · Michigan · Maine · New Hampshire · New York · Massachusetts · Wyoming · Washington · Florida · Indiana · North Dakota · Texas · Iowa · Ohio · Connecticut · Nebraska · California · Missouri · Vermont · Oklahoma · South Dakota · Utah · Arizona · Colorado · Illinois · New Mexico · Kansas · West Virginia · Mississippi · Idaho · New Jersey · Kentucky · Alabama · Oregon · North Carolina · Puerto Rico · Tennessee · Georgia · Delaware · Nevada · Virginia · Rhode Island · Louisiana · South Carolina · Pennsylvania · Maryland · Arkansas · Hawaii