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Best channel catfish lakes in Montana

109 Montana waters list channel catfish (official records or labelled estimates), 108 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. Scent-driven bottom feeder. Holes, channels and inflows — best after dark.

1. Tiber Reservoir — 110 ft max · real survey depth contours · Walleye, Sauger, Northern Pike, CrappieWhy #1: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
2. Bighorn Lake — 447 ft max · Walleye, Sauger, Crappie, Channel CatfishWhy #2: mapped size signal; contours are approximated · 3 public access sites
3. Bull Lake (Lincoln) — 60 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #3: survey-backed contours receive the ranking's data-quality boost · 1 public access site
4. Echo Lake (Flathead) — 70 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #4: survey-backed contours receive the ranking's data-quality boost · 1 public access site
5. Yellowtail Afterbay Reservoir — 46 ft max · real survey depth contours · Walleye, Sauger, Channel Catfish, Rainbow TroutWhy #5: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
6. Thompson Lake, Middle — 160 ft max · real survey depth contours · Smallmouth Bass, Walleye, Northern Pike, CrappieWhy #6: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
7. Castle Rock Reservoir — 40 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #7: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
8. Thompson Lake, Upper — 100 ft max · real survey depth contours · Smallmouth Bass, Walleye, Northern Pike, CrappieWhy #8: survey-backed contours receive the ranking's data-quality boost · 1 public access site
9. Lake Josephine — 8 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, CrappieWhy #9: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
10. Lake Elmo — 16 ft max · real survey depth contours · Largemouth Bass, Crappie, Bluegill, Channel CatfishWhy #10: survey-backed contours receive the ranking's data-quality boost · 3 public access sites
11. Dickey Lake (Lincoln) — 70 ft max · real survey depth contours · Smallmouth Bass, Walleye, Northern Pike, CrappieWhy #11: survey-backed contours receive the ranking's data-quality boost · 1 public access site
12. Tepee Lake — 28 ft max · real survey depth contours · Smallmouth Bass, Walleye, Northern Pike, CrappieWhy #12: survey-backed contours receive the ranking's data-quality boost · 1 public access site
13. Rock Lake — 30 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #13: survey-backed contours receive the ranking's data-quality boost · no verified access record attached
14. Loon Lake (Lincoln) — 30 ft max · real survey depth contours · Smallmouth Bass, Walleye, Northern Pike, CrappieWhy #14: survey-backed contours receive the ranking's data-quality boost · 1 public access site
15. Lake Five (Flathead) — 60 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #15: survey-backed contours receive the ranking's data-quality boost · 1 public access site
16. Thompson Lake, Lower — 140 ft max · real survey depth contours · Smallmouth Bass, Walleye, Northern Pike, CrappieWhy #16: survey-backed contours receive the ranking's data-quality boost · 1 public access site
17. Crystal Lake (Lincoln) — 140 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, Northern PikeWhy #17: survey-backed contours receive the ranking's data-quality boost · 1 public access site
18. Rainbow Lake (Sanders) — 30 ft max · real survey depth contours · Smallmouth Bass, Walleye, Northern Pike, CrappieWhy #18: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
19. Spotted Eagle Lake — 10 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, SaugerWhy #19: survey-backed contours receive the ranking's data-quality boost · no verified access record attached

…plus 90 more Montana waters holding channel catfish.

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When to fish channel catfish in Montana

• Spring 3–12 ft — Warm inflows and shallow mud flats after rain.
• Summer 8–25 ft — Deep holes by day; cats roam shallow flats to feed at night.
• Fall 10–30 ft — Fish concentrate in river/creek channels and deeper holes.
• Winter 20–40 ft — Stacked in the deepest holes; slow natural baits.

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 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

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