Lakes / Oregon / Lane County / Dexter Reservoir
Dexter Reservoir, Oregon
884 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
43.91 degrees N, 122.79 degrees W - Lane 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 Dexter Reservoir Stacks Up
- Larger than 88% of the 642 lakes counted in Oregon.
- About 18 miles from Eugene, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Fall Creek Lake | Lane | 4.2 mi | 1,766 acres |
| Lookout Point Lake | Lane | 6.1 mi | 4,086 acres |
| Walterville Reservoir | Lane | 11 mi | 63 acres |
| Dorena Lake | Lane | 12 mi | 1,664 acres |
| Cottage Grove Lake | Lane | 20 mi | 1,076 acres |
| Hills Creek Lake | Lane | 25 mi | 2,592 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Dexter Reservoir
How Big Is Dexter Reservoir?
Dexter Reservoir covers 884 acres in Lane County, Oregon.
What Is the Largest Lake in Lane County?
Fern Ridge Lake is the largest lake in Lane County, at 6,581 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 93063415). Verified October 30, 2026.