Washington Lakes With Bull trout

18 counted Washington lakes list Bull trout in Washington DFW records. The largest is Lake Pateros at 8,376 acres.

#	Lake	County	Surface Area	Max Depth
1	Lake Pateros	Douglas	8,376 acres	-
2	Lake Entiat	Douglas	7,171 acres	-
3	Baker Lake	Whatcom	4,730 acres	-
4	Swift Reservoir	Skamania	4,586 acres	-
5	Kachess Lake	Kittitas	4,388 acres	-
6	Lake Merwin	Clark	3,837 acres	-
7	Yale Lake	Cowlitz	3,595 acres	-
8	Rimrock Lake	Yakima	2,547 acres	-
9	Lake Wenatchee	Chelan	2,419 acres	About 240 ft
10	Keechelus Lake	Kittitas	2,409 acres	-
11	Lake Shannon	Skagit	1,938 acres	-
12	Bumping Lake	Yakima	1,354 acres	About 89 ft
13	Diablo Lake	Whatcom	790 acres	-
14	Gorge Lake	Whatcom	232 acres	-
15	Clear Lake	Yakima	232 acres	-
16	Lake Easton	Kittitas	218 acres	-
17	Cooper Lake	Kittitas	121 acres	-
18	Lake Kokanee	Mason	105 acres	-

Source: Washington DFW lake data. Verified October 30, 2026.