Lakes / South Dakota / Deuel County / Lone Tree Lake
Lone Tree Lake, Deuel County, South Dakota
171.24 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
44.87 degrees N, 96.58 degrees W - Deuel 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 Lone Tree Lake Stacks Up
- Larger than 59% of the 533 lakes counted in South Dakota.
- About 26 miles from Watertown, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Alice | Deuel | 2.5 mi | 1,058.09 acres |
| Rush Lake | Deuel | 3.4 mi | 133.93 acres |
| Lake Francis | Deuel | 4.3 mi | 107.24 acres |
| Ketchum Lake | Deuel | 6.3 mi | 82.78 acres |
| East Coteau Lake | Deuel | 7.0 mi | 119.1 acres |
| North Coteau Lake | Deuel | 7.2 mi | 103.54 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lone Tree Lake
How Big Is Lone Tree Lake?
Lone Tree Lake covers 171.24 acres in Deuel County, South Dakota.
What Is the Largest Lake in Deuel County?
Lake Alice is the largest lake in Deuel County, at 1,058.09 acres.
Largest Lakes in South Dakota
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Oahe | Dewey | 309,912.57 acres | - |
| 2 | Lake Francis Case | Charles Mix | 82,166.92 acres | - |
| 3 | Lake Sharpe | Hughes | 58,419.67 acres | - |
| 4 | Lewis and Clark Lake | Bon Homme | 25,141.99 acres | - |
| 5 | Lake Thompson | Kingsbury | 13,887.93 acres | - |
All 533 South Dakota lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 122849773). Verified October 30, 2026.