Lakes / Oregon / Harney County / Derrick Lake
Derrick Lake, Oregon
225 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
43.30 degrees N, 119.32 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 Derrick Lake Stacks Up
- Larger than 74% of the 642 lakes counted in Oregon.
- About 113 miles from Bend, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Stinking Lake | Harney | 3.0 mi | 212 acres |
| Fay Canyon Reservoir | Harney | 6.6 mi | 57 acres |
| Harney Lake | Harney | 11 mi | 31,290 acres |
| Moon Reservoir | Harney | 11 mi | 725 acres |
| Weed Lake | Harney | 14 mi | 239 acres |
| Mud Lake | Harney | 16 mi | 7,922 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Derrick Lake
How Big Is Derrick Lake?
Derrick Lake covers 225 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 149765089). Verified October 30, 2026.