Lakes / Oregon / Harney County / Malheur Lake
Malheur Lake, Harney County, Oregon
27,971 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
43.32 degrees N, 118.80 degrees W - Harney County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Malheur Lake Stacks Up
- Ranks #6 for surface area among the Oregon lakes counted so far - 27,971 acres.
- About 136 miles from Bend, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Malheur Lake | Harney | 9.0 mi | 192 acres |
| Malheur Slough | Harney | 11 mi | 123 acres |
| Mud Lake | Harney | 11 mi | 7,922 acres |
| Dry Lake Reservoir | Harney | 14 mi | 937 acres |
| Barton Lake | Harney | 14 mi | 159 acres |
| White Lake | Harney | 14 mi | 138 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Malheur Lake
How Big Is Malheur Lake?
Malheur Lake covers 27,971 acres in Harney County, Oregon.
What Is the Largest Lake in Harney County?
Harney Lake is the largest lake in Harney County, at 31,290 acres.
Largest Lakes in Oregon
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Upper Klamath Lake | Klamath | 62,095 acres | - |
| 2 | Lake Umatilla | Morrow | 50,042 acres | - |
| 3 | Lake Abert | Lake | 37,137 acres | - |
| 4 | Summer Lake | Lake | 31,602 acres | - |
| 5 | Harney Lake | Harney | 31,290 acres | - |
All 642 Oregon lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 146960519). Verified October 30, 2026.