Lakes / South Dakota / Corson County / Tatanka Lake
Tatanka Lake, South Dakota
34.59 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
45.94 degrees N, 101.20 degrees W - Corson 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 Tatanka Lake Stacks Up
- Larger than 7% of the 533 lakes counted in South Dakota.
- About 116 miles from Pierre, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| McIntosh Lake | Corson | 6.8 mi | 44.73 acres |
| Mallard Lake | Corson | 14 mi | 45.96 acres |
| Morristown East Lake | Corson | 21 mi | 100.32 acres |
| Morristown Lake | Corson | 27 mi | 108.48 acres |
| Dogeagle Lake | Corson | 32 mi | 139.61 acres |
| Spring Lake | Corson | 33 mi | 435.65 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Tatanka Lake
How Big Is Tatanka Lake?
Tatanka Lake covers 34.59 acres in Corson County, South Dakota.
What Is the Largest Lake in Corson County?
Spring Lake is the largest lake in Corson County, at 435.65 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 143226329). Verified October 30, 2026.