Lakes / Oregon / Harney County / Cox Grove Lake
Cox Grove Lake, Oregon
46 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
43.08 degrees N, 119.86 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 Cox Grove Lake Stacks Up
- Larger than 32% of the 642 lakes counted in Oregon.
- About 99 miles from Bend, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Big Brushy Lake | Harney | 1.0 mi | 58 acres |
| Big Lake | Harney | 2.2 mi | 59 acres |
| North Alkali Lake | Lake | 7.5 mi | 606 acres |
| Large Lake | Harney | 12 mi | 211 acres |
| South DC Waterhole | Lake | 20 mi | 30 acres |
| Smokey Waterhole | Lake | 20 mi | 31 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Cox Grove Lake
How Big Is Cox Grove Lake?
Cox Grove Lake covers 46 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 149433367). Verified October 30, 2026.