Washington Lakes With Steelhead

9 counted Washington lakes list Steelhead in Washington DFW records. The largest is Lake Umatilla at 50,042 acres.

#	Lake	County	Surface Area	Max Depth
1	Lake Umatilla	Klickitat	50,042 acres	-
2	Lake Wallula	Benton	26,343 acres	-
3	Lake Pateros	Douglas	8,376 acres	-
4	Lake Entiat	Douglas	7,171 acres	-
5	Lake Wenatchee	Chelan	2,419 acres	About 240 ft
6	Osoyoos Lake	Okanogan	2,059 acres	About 75 ft
7	Silver Lake	Cowlitz	1,989 acres	About 10 ft
8	Lake Easton	Kittitas	218 acres	-
9	Horseshoe Lake	Clark	83 acres	About 14 ft

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