Lakes in Mason County, Washington

40 lakes counted in Mason County - the largest is Lake Cushman at 4,015 acres.

Lakes Counted

4,015 acres

Largest - Lake Cushman

Mason County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.

All Counted Lakes

#	Lake	County	Surface Area	Max Depth
1	Lake Cushman	Mason	4,015 acres	-
2	Mason Lake	Mason	977 acres	About 90 ft
3	Nahwatzel Lake	Mason	280 acres	About 25 ft
4	Spencer Lake	Mason	213 acres	About 30 ft
5	Isabella Lake	Mason	211 acres	About 23 ft
6	Cranberry Lake	Mason	180 acres	-
7	Lake Limerick	Mason	132 acres	About 20 ft
8	Lost Lake	Mason	123 acres	About 60 ft
9	Phillips Lake	Mason	107 acres	About 25 ft
10	Lake Kokanee	Mason	105 acres	-
11	Island Lake	Mason	105 acres	About 30 ft
12	Tiger Lake	Mason	104 acres	About 40 ft
13	Devereaux Lake	Mason	98 acres	About 55 ft
14	Big Twin Lake	Mason	81 acres	-
15	Benson Lake	Mason	80 acres	About 35 ft
16	Prickett Lake	Mason	73 acres	About 30 ft
17	Haven Lake	Mason	69 acres	About 30 ft
18	Lake Wooten	Mason	68 acres	About 36 ft
19	Price Lake	Mason	65 acres	-
20	Tee Lake	Mason	47 acres	-
21	Lake Anderson	Mason	45 acres	-
22	Mildred Lakes	Mason	42 acres	-
23	Lystair Lake	Mason	41 acres	-
24	Melbourne Lake	Mason	39 acres	-
25	Forbes Lake	Mason	38 acres	-
26	Lake Arrowhead	Mason	33 acres	-
27	Stump Lake	Mason	28 acres	-
28	Bennettsen Lake	Mason	27 acres	-
29	Blacksmith Lake	Mason	27 acres	-
30	Maggie Lake	Mason	22 acres	-
31	Spider Lake	Mason	18 acres	-
32	Robbins Lake	Mason	17 acres	-
33	Cady Lake	Mason	15 acres	-
34	Aldrich Lake	Mason	11 acres	-
35	Wood Lake	Mason	10 acres	-
36	Elk Lake	Mason	9 acres	-
37	Howell Lake	Mason	9 acres	-
38	Pine Lake	Mason	8 acres	-
39	Upper Elk Lake	Mason	4 acres	-
40	Goober Pond	Mason	1 acres	-

Sources: Washington DFW lake data; USGS. Verified October 30, 2026.