Lakes / South Dakota / Miner County / McCart Slough
McCart Slough, South Dakota
74.87 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
44.12 degrees N, 97.41 degrees W - Miner 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 McCart Slough Stacks Up
- Larger than 29% of the 533 lakes counted in South Dakota.
- About 52 miles from Sioux Falls, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Hageman Slough | Miner | 3.3 mi | 61.04 acres |
| Gilman Lake | Lake | 3.5 mi | 129.24 acres |
| Otter Lake | Miner | 4.8 mi | 79.82 acres |
| The Horseshoe | Miner | 5.3 mi | 43.85 acres |
| Silver Lake | Miner | 5.8 mi | 87.23 acres |
| Wombacker Slough | Miner | 6.2 mi | 67.21 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About McCart Slough
How Big Is McCart Slough?
McCart Slough covers 74.87 acres in Miner County, South Dakota.
What Is the Largest Lake in Miner County?
Ness Chain Lake is the largest lake in Miner County, at 247.35 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 123213823). Verified October 30, 2026.