Lakes / Oregon / Grant County / Pronghorn Reservoir
Pronghorn Reservoir, Oregon
70 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
44.04 degrees N, 118.93 degrees W - Grant 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 Pronghorn Reservoir Stacks Up
- Larger than 47% of the 642 lakes counted in Oregon.
- About 118 miles from Bend, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Buffalo Lake | Grant | 4.9 mi | 43 acres |
| Duck Creek Reservoir | Harney | 15 mi | 38 acres |
| Canyon Meadows Lake | Grant | 16 mi | 32 acres |
| Sproul Reservoir | Grant | 17 mi | 35 acres |
| Miller Reservoir | Harney | 20 mi | 28 acres |
| Yellowjacket Lake | Harney | 20 mi | 33 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Pronghorn Reservoir
How Big Is Pronghorn Reservoir?
Pronghorn Reservoir covers 70 acres in Grant County, Oregon.
What Is the Largest Lake in Grant County?
Olive Lake is the largest lake in Grant County, at 149 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 148032919). Verified October 30, 2026.