Lakes / Oregon / Crook County / Antelope Flat Reservoir
Antelope Flat Reservoir, Oregon
200 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
44.01 degrees N, 120.38 degrees W - Crook 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 Antelope Flat Reservoir Stacks Up
- Larger than 71% of the 642 lakes counted in Oregon.
- About 47 miles from Bend, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Rickmans Camp Creek Reservoir Number Two | Crook | 4.4 mi | 32 acres |
| Pringle Flat Reservoir | Crook | 8.8 mi | 53 acres |
| Horse Heaven Reservoir | Crook | 13 mi | 32 acres |
| Prineville Reservoir | Crook | 19 mi | 2,861 acres |
| Dry Creek Reservoirs | Crook | 25 mi | 27 acres |
| Ochoco Reservoir | Crook | 26 mi | 970 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Antelope Flat Reservoir
How Big Is Antelope Flat Reservoir?
Antelope Flat Reservoir covers 200 acres in Crook County, Oregon.
What Is the Largest Lake in Crook County?
Prineville Reservoir is the largest lake in Crook County, at 2,861 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 146968543). Verified October 30, 2026.