Lakes / Oregon / Deschutes County / South Twin Lake
South Twin Lake, Oregon
103 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
43.71 degrees N, 121.77 degrees W - Deschutes 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 South Twin Lake Stacks Up
- Larger than 58% of the 642 lakes counted in Oregon.
- About 33 miles from Bend, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| North Twin Lake | Deschutes | 1.0 mi | 107 acres |
| Wickiup Reservoir | Deschutes | 3.0 mi | 10,170 acres |
| Crane Prairie Reservoir | Deschutes | 5.3 mi | 4,380 acres |
| Davis Lake | Deschutes | 7.8 mi | 3,017 acres |
| Little Cultus Lake | Deschutes | 8.2 mi | 173 acres |
| Deer Lake | Deschutes | 9.7 mi | 52 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About South Twin Lake
How Big Is South Twin Lake?
South Twin Lake covers 103 acres in Deschutes County, Oregon.
What Is the Largest Lake in Deschutes County?
Wickiup Reservoir is the largest lake in Deschutes County, at 10,170 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 149199236). Verified October 30, 2026.