Lakes / Washington / Fish Species / Rainbow trout

Washington Lakes With Rainbow trout

676 counted Washington lakes list Rainbow trout 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 Chelan	Chelan	32,677 acres	About 1,500 ft
3	Banks Lake	Grant	26,879 acres	-
4	Potholes Reservoir	Grant	14,292 acres	-
5	Ross Lake	Whatcom	11,569 acres	-
6	Lake Pateros	Douglas	8,376 acres	-
7	Rufus Woods Lake	Douglas	8,270 acres	-
8	Lake Entiat	Douglas	7,171 acres	-
9	Baker Lake	Whatcom	4,730 acres	-
10	Swift Reservoir	Skamania	4,586 acres	-
11	Cle Elum Lake	Kittitas	4,566 acres	-
12	Kachess Lake	Kittitas	4,388 acres	-
13	Lake Merwin	Clark	3,837 acres	-
14	Rimrock Lake	Yakima	2,547 acres	-
15	Lake Wenatchee	Chelan	2,419 acres	About 240 ft
16	Keechelus Lake	Kittitas	2,409 acres	-
17	Vancouver Lake	Clark	2,287 acres	-
18	Rock Lake	Whitman	2,190 acres	-
19	Osoyoos Lake	Okanogan	2,059 acres	About 75 ft
20	Palmer Lake	Okanogan	2,042 acres	About 70 ft
21	Mayfield Lake	Lewis	2,021 acres	-
22	Silver Lake	Cowlitz	1,989 acres	About 10 ft
23	Sprague Lake	Adams	1,760 acres	About 15 ft
24	Spada Lake	Snohomish	1,687 acres	-
25	Bumping Lake	Yakima	1,354 acres	About 89 ft
26	Sullivan Lake	Pend Oreille	1,296 acres	About 330 ft
27	Deer Lake	Stevens	1,146 acres	About 75 ft
28	Loon Lake	Stevens	1,093 acres	About 100 ft
29	American Lake	Pierce	1,092 acres	About 90 ft
30	Lake Stevens	Snohomish	1,003 acres	About 155 ft
31	Mason Lake	Mason	977 acres	About 90 ft
32	Billy Clapp Lake	Grant	973 acres	-
33	Curlew Lake	Ferry	860 acres	About 120 ft
34	Lake Cavanaugh	Skagit	833 acres	About 80 ft
35	Diablo Lake	Whatcom	790 acres	-
36	Diamond Lake	Pend Oreille	753 acres	About 55 ft
37	Coldwater Lake	Skamania	751 acres	-
38	Liberty Lake	Spokane	706 acres	About 30 ft
39	Black Lake	Thurston	574 acres	About 28 ft
40	Skookumchuck Reservoir	Thurston	552 acres	-
41	Lake Goodwin	Snohomish	535 acres	About 50 ft
42	Blue Lake	Grant	534 acres	About 65 ft
43	Dickey Lake	Clallam	513 acres	-
44	Summit Lake	Thurston	512 acres	About 100 ft
45	Fish Lake	Chelan	503 acres	About 40 ft
46	Lake Kapowsin	Pierce	496 acres	About 25 ft
47	Jameson Lake	Douglas	494 acres	About 55 ft
48	Lake Pleasant	Clallam	492 acres	About 50 ft
49	Waitts Lake	Stevens	469 acres	About 65 ft
50	Wannacut Lake	Okanogan	428 acres	About 140 ft
51	Lake Terrell	Whatcom	403 acres	-
52	Conconully Reservoir	Okanogan	395 acres	About 50 ft
53	Lake Scanewa	Lewis	388 acres	-
54	Walupt Lake	Lewis	382 acres	-
55	Lake Sutherland	Clallam	366 acres	About 80 ft
56	Lake Roesiger	Snohomish	346 acres	About 115 ft
57	Park Lake	Grant	338 acres	About 85 ft
58	Clear Lake	Spokane	331 acres	About 95 ft
59	Lake Lawrence	Thurston	327 acres	About 26 ft
60	Bonnie Lake	Spokane	327 acres	-
61	Williams Lake	Spokane	317 acres	About 120 ft
62	Spectacle Lake	Okanogan	313 acres	About 55 ft
63	Coffeepot Lake	Lincoln	311 acres	-
64	Long Lake	Thurston	308 acres	About 20 ft
65	Sacheen Lake	Pend Oreille	307 acres	About 70 ft
66	Steilacoom Lake	Pierce	306 acres	About 20 ft
67	Conconully Lake	Okanogan	292 acres	About 110 ft
68	Lake Sawyer	King	286 acres	About 50 ft
69	Nahwatzel Lake	Mason	280 acres	About 25 ft
70	Castle Lake	Cowlitz	279 acres	-
71	Merrill Lake	Cowlitz	277 acres	About 77 ft
72	Mineral Lake	Lewis	275 acres	About 35 ft
73	Domke Lake	Chelan	272 acres	-
74	Lacamas Lake	Clark	260 acres	About 65 ft
75	Pattison Lake	Thurston	255 acres	About 20 ft
76	Waptus Lake	Kittitas	253 acres	-
77	Duck Lake	Grays Harbor	251 acres	About 30 ft
78	Green Lake	King	250 acres	About 24 ft
79	Spanaway Lake	Pierce	249 acres	About 25 ft
80	Kitsap Lake	Kitsap	238 acres	About 25 ft
81	Gorge Lake	Whatcom	232 acres	-
82	Clear Lake	Yakima	232 acres	-
83	Clear Lake	Skagit	220 acres	About 44 ft
84	Alta Lake	Okanogan	220 acres	About 75 ft
85	Ohop Lake	Pierce	218 acres	About 25 ft
86	Lake Easton	Kittitas	218 acres	-
87	Badger Lake	Spokane	217 acres	About 105 ft
88	Swofford Pond	Lewis	216 acres	-
89	Spencer Lake	Mason	213 acres	About 30 ft
90	West Medical Lake	Spokane	206 acres	About 35 ft
91	Cow Lake	Adams	199 acres	-
92	Wapato Lake	Chelan	195 acres	About 65 ft
93	Blue Lake	Okanogan	193 acres	About 65 ft
94	Offutt Lake	Thurston	191 acres	About 25 ft
95	Deep Lake	Stevens	191 acres	About 45 ft
96	Fishtrap Lake	Lincoln	191 acres	-
97	Angeline Lake	King	184 acres	-
98	Pearrygin Lake	Okanogan	183 acres	About 45 ft
99	Roses Lake	Chelan	178 acres	About 30 ft
100	Big Heart Lake	King	176 acres	-

Showing the 100 largest of 676 counted lakes with Rainbow trout.

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