Lakes / Oregon / Douglas County / Ben Irving Reservoir
Ben Irving Reservoir, Oregon
182 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
43.05 degrees N, 123.57 degrees W - Douglas 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 Ben Irving Reservoir Stacks Up
- Larger than 70% of the 642 lakes counted in Oregon.
- About 61 miles from Medford, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Mar-Linn Log Pond | Douglas | 20 mi | 38 acres |
| Galesville Reservoir | Douglas | 25 mi | 558 acres |
| Fords Pond | Douglas | 26 mi | 92 acres |
| North Douglas Log Ponds | Douglas | 26 mi | 31 acres |
| Little River Log Pond | Douglas | 29 mi | 39 acres |
| Johnson Log Storage and Storing Reservoir | Coos | 32 mi | 88 acres |
Straight-line distance between lake centers.
Facts and Figures
Waterbody ID{0F4F3140-AD2D-450E-A1AA-0B2344297125}
CountyDouglas
Lake TypeLake
Coordinates43.0462, -123.5660
Questions About Ben Irving Reservoir
How Big Is Ben Irving Reservoir?
Ben Irving Reservoir covers 182 acres in Douglas County, Oregon.
What Is the Largest Lake in Douglas County?
Diamond Lake is the largest lake in Douglas County, at 3,040 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 {0F4F3140-AD2D-450E-A1AA-0B2344297125}). Verified October 30, 2026.