Lakes / Oregon / Linn County / Duffy Lake
Duffy Lake, Oregon
26 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
44.49 degrees N, 121.90 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 Duffy Lake Stacks Up
- Larger than 3% of the 642 lakes counted in Oregon.
- About 42 miles from Bend, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Mowich Lake | Linn | 0.9 mi | 53 acres |
| Jorn Lake | Linn | 2.2 mi | 31 acres |
| Lost Lake | Linn | 4.2 mi | 79 acres |
| Marion Lake | Linn | 4.8 mi | 353 acres |
| Square Lake | Jefferson | 5.4 mi | 50 acres |
| Lava Lake | Linn | 6.9 mi | 131 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Duffy Lake
How Big Is Duffy Lake?
Duffy Lake covers 26 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 123427407). Verified October 30, 2026.