Lakes / South Dakota / McPherson County / Feinstein Lake
Feinstein Lake, South Dakota
152.46 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
45.69 degrees N, 99.71 degrees W - McPherson 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 Feinstein Lake Stacks Up
- Larger than 54% of the 533 lakes counted in South Dakota.
- About 61 miles from Aberdeen, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Heupel Lake | McPherson | 1.7 mi | 45.71 acres |
| East Flat Lake | Campbell | 3.0 mi | 151.72 acres |
| Flat Lake | Campbell | 3.6 mi | 113.17 acres |
| Eureka Lake | McPherson | 6.6 mi | 188.54 acres |
| Bowdle-Hosmer Lake | Edmunds | 8.0 mi | 129.73 acres |
| Horseshoe Lake | Walworth | 10 mi | 66.22 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Feinstein Lake
How Big Is Feinstein Lake?
Feinstein Lake covers 152.46 acres in McPherson County, South Dakota.
What Is the Largest Lake in McPherson County?
Long Lake is the largest lake in McPherson County, at 364.48 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 147896041). Verified October 30, 2026.