Montana Lakes With Channel Catfish

21 counted Montana lakes list Channel Catfish in Montana Fish, Wildlife & Parks records. The largest is Fort Peck Lake at 233,053 acres.

#	Lake	County	Surface Area	Max Depth
1	Fort Peck Lake	Valley	233,053 acres	-
2	Lake Elwell	Liberty	14,842 acres	About 150 ft
3	Bighorn Lake	Big Horn	12,422.5 acres	About 440 ft
4	Nelson Reservoir	Phillips	4,115 acres	-
5	Tongue River Reservoir	Big Horn	2,112 acres	-
6	Deadmans Basin Reservoir	Wheatland	1,954 acres	-
7	Castle Rock Lake	Rosebud	155 acres	About 40 ft
8	Phillippi Reservoir	Carter	79 acres	-
9	Lake Elmo	Yellowstone	62 acres	About 16 ft
10	Fort Peck Trout Pond	Valley	53 acres	-
11	Anita Reservoir	Yellowstone	37 acres	-
12	Spotted Eagle Lake	Custer	25 acres	About 10 ft
13	Crandall Reservoir	Roosevelt	19 acres	-
14	Jakes Reservoir	Fergus	18 acres	-
15	Eightmile Springs	Chouteau	12 acres	-
16	Rednose Reservoir	Big Horn	12 acres	-
17	Hollecker Lake	Dawson	9 acres	-
18	Whitetail Reservoir	Valley	7 acres	-
19	Taint Reservoir	Phillips	6 acres	About 12 ft
20	Sagebrush Reservoir	Phillips	5 acres	About 6 ft
21	Wrangler Reservoir	Phillips	3 acres	-

Source: Montana Fish, Wildlife & Parks lake data. Verified October 30, 2026.