Lakes / Oregon / Malheur County

Lakes in Malheur County, Oregon

40 lakes counted in Malheur County - the largest is Lake Owyhee at 11,120 acres.

Lakes Counted

11,120 acres

Largest - Lake Owyhee

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

All Counted Lakes

#	Lake	County	Surface Area	Max Depth
1	Lake Owyhee	Malheur	11,120 acres	-
2	Antelope Reservoir	Malheur	3,622 acres	-
3	Beulah Reservoir	Malheur	1,844 acres	-
4	Cow Lakes	Malheur	1,045 acres	-
5	Cow Lakes	Malheur	998 acres	-
6	Jaca Reservoir	Malheur	814 acres	-
7	Malheur Reservoir	Malheur	760 acres	-
8	Bully Creek Reservoir	Malheur	611 acres	-
9	Easterday Reservoir	Malheur	385 acres	-
10	Little Grassy Reservoir	Malheur	334 acres	-
11	Rock Creek Reservoir	Malheur	192 acres	-
12	Coyote Creek Reservoir	Malheur	164 acres	-
13	Butte Reservoir	Malheur	145 acres	-
14	Dowell Reservoir	Malheur	140 acres	-
15	Gartin Reservoir	Malheur	140 acres	-
16	Love Reservoir	Malheur	121 acres	-
17	Scott Reservoir	Malheur	101 acres	-
18	Freezeout Lake	Malheur	100 acres	-
19	Parker Reservoir	Malheur	93 acres	-
20	Pole Creek Reservoir	Malheur	70 acres	-
21	Brewster Reservoir	Malheur	65 acres	-
22	Sheep Creek Reservoir	Malheur	63 acres	-
23	Upper Dry Lake Number 2	Malheur	57 acres	-
24	Crowley Reservoir	Malheur	49 acres	-
25	Tex Martin Lake	Malheur	47 acres	-
26	Ben Odell Reservoir	Malheur	46 acres	-
27	Walls Reservoir	Malheur	45 acres	-
28	Blevins Reservoir	Malheur	44 acres	-
29	Chapman Reservoir	Malheur	41 acres	-
30	Peacock Lake	Malheur	41 acres	-
31	Batch Lake	Malheur	38 acres	-
32	Rockhouse Reservoir	Malheur	37 acres	-
33	Dry Lakes	Malheur	35 acres	-
34	Deary Reservoir	Malheur	33 acres	-
35	Parsnip Creek Diversion Reservoir	Malheur	33 acres	-
36	Zotto Reservoir	Malheur	32 acres	-
37	Upper Dry Lake Number 1	Malheur	31 acres	-
38	Murphy Reservoir	Malheur	30 acres	-
39	Shumway Reservoir	Malheur	29 acres	-
40	Chevally Reservoir	Malheur	25 acres	-

Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.