Lakes / Oregon / Malheur County / Lake Owyhee
Lake Owyhee, Oregon
11,120 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
43.48 degrees N, 117.33 degrees W - Malheur 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 Lake Owyhee Stacks Up
- Ranks #9 for surface area among the Oregon lakes counted so far - 11,120 acres.
- The largest lake in Malheur County among those counted.
- About 203 miles from Bend, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Freezeout Lake | Malheur | 14 mi | 100 acres |
| Ben Odell Reservoir | Malheur | 19 mi | 46 acres |
| Butte Reservoir | Malheur | 21 mi | 145 acres |
| Cow Lakes | Malheur | 26 mi | 1,045 acres |
| Cow Lakes | Malheur | 27 mi | 998 acres |
| Batch Lake | Malheur | 28 mi | 38 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Owyhee
How Big Is Lake Owyhee?
Lake Owyhee covers 11,120 acres in Malheur County, Oregon.
What Is the Largest Lake in Malheur County?
Lake Owyhee is the largest lake in Malheur County, at 11,120 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 146137938). Verified October 30, 2026.