Lakes / South Dakota / Campbell County / Lake Pocasse
Lake Pocasse, South Dakota
1,370.69 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
45.90 degrees N, 100.27 degrees W - Campbell 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 Lake Pocasse Stacks Up
- Larger than 91% of the 533 lakes counted in South Dakota.
- The largest lake in Campbell County among those counted.
- About 91 miles from Aberdeen, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| McClarem Lake | Campbell | 13 mi | 239.69 acres |
| Lake Campbell | Campbell | 13 mi | 47.44 acres |
| Big Lake | Campbell | 17 mi | 71.91 acres |
| Renz Lake | Campbell | 18 mi | 72.9 acres |
| Sand Lake | Campbell | 21 mi | 315.8 acres |
| Little Sand Lake | Campbell | 22 mi | 41.76 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Pocasse
How Big Is Lake Pocasse?
Lake Pocasse covers 1,370.69 acres in Campbell County, South Dakota.
What Is the Largest Lake in Campbell County?
Lake Pocasse is the largest lake in Campbell County, at 1,370.69 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 145468291). Verified October 30, 2026.