Lakes / Montana / Fish Species / Rainbow X Cutthroat Trout

Montana Lakes With Rainbow X Cutthroat Trout

17 counted Montana lakes list Rainbow X Cutthroat Trout in Montana Fish, Wildlife & Parks records. The largest is Lake Koocanusa at 28,723 acres.

#	Lake	County	Surface Area	Max Depth
1	Lake Koocanusa	Lincoln	28,723 acres	-
2	Upper Red Rock Lake	Beaverhead	2,948 acres	About 5 ft
3	Ashley Lake	Flathead	2,850 acres	About 200 ft
4	Glen Lake	Lincoln	301 acres	About 30 ft
5	Fred Burr Lake	Granite	143 acres	-
6	Twin Lakes	Beaverhead	85 acres	About 46 ft
7	Lena Lake	Missoula	74 acres	About 75 ft
8	Lake Pinchot	Sweet Grass	74 acres	-
9	Elbow Lake	Missoula	71 acres	-
10	Woodward Lake	Missoula	65 acres	About 110 ft
11	Canyon Lake	Carbon	62 acres	About 80 ft
12	Blanchard Lake	Missoula	57 acres	-
13	Big Pozega Lake	Granite	53 acres	-
14	Haggin Lake	Deer Lodge	13 acres	-
15	Trinkus Lake	Lake	12 acres	-
16	Little Racetrack Lake	Granite	6 acres	-
17	Deadman Lake	Beaverhead	4 acres	About 18 ft

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