Lakes / Oregon / Linn County / Lost Lake
Lost Lake, Linn County, Oregon
79 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
44.43 degrees N, 121.91 degrees W - Linn 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 Lost Lake Stacks Up
- Larger than 51% of the 642 lakes counted in Oregon.
- About 39 miles from Bend, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Duffy Lake | Linn | 4.2 mi | 26 acres |
| Square Lake | Jefferson | 4.2 mi | 50 acres |
| Big Lake | Linn | 4.4 mi | 236 acres |
| Mowich Lake | Linn | 4.9 mi | 53 acres |
| Lava Lake | Linn | 5.0 mi | 131 acres |
| Fish Lake | Linn | 5.7 mi | 118 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lost Lake
How Big Is Lost Lake?
Lost Lake covers 79 acres in Linn County, Oregon.
What Is the Largest Lake in Linn County?
Foster Lake is the largest lake in Linn County, at 1,052 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 108067485). Verified October 30, 2026.