Lakes / South Dakota / Beadle County / Lake Cavour
Lake Cavour, South Dakota
233.27 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
44.41 degrees N, 98.05 degrees W - Beadle 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 Cavour Stacks Up
- Larger than 68% of the 533 lakes counted in South Dakota.
- About 57 miles from Watertown, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Ravine Park Lake | Beadle | 7.8 mi | 71.17 acres |
| Stony Run Lake | Beadle | 9.8 mi | 42.5 acres |
| Lake Byron | Beadle | 12 mi | 1,798.43 acres |
| Connors Lake | Beadle | 13 mi | 91.43 acres |
| Piper Lake | Beadle | 14 mi | 81.79 acres |
| Staum Dam | Beadle | 15 mi | 39.78 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Cavour
How Big Is Lake Cavour?
Lake Cavour covers 233.27 acres in Beadle County, South Dakota.
What Is the Largest Lake in Beadle County?
Lake Byron is the largest lake in Beadle County, at 1,798.43 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 145672528). Verified October 30, 2026.