Lakes / Nebraska / Keith County / Lake McConaughy
Lake McConaughy, Nebraska
24,885 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Nebraska
41.25 degrees N, 101.81 degrees W - Keith 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 McConaughy Stacks Up
- The largest lake counted in Nebraska by surface area - 24,885 acres.
- The largest lake in Keith County among those counted.
- About 55 miles from North Platte, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Berry Lake | Keith | 7.3 mi | 25 acres |
| Ogallala Lake | Keith | 8.3 mi | 574 acres |
| Haythorn Lake | Arthur | 20 mi | 93 acres |
| Bucktail Lake | Arthur | 26 mi | 53 acres |
| K C Lake | Arthur | 29 mi | 47 acres |
| Mechoglan Lake | Arthur | 31 mi | 38 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake McConaughy
How Big Is Lake McConaughy?
Lake McConaughy covers 24,885 acres in Keith County, Nebraska.
What Is the Largest Lake in Keith County?
Lake McConaughy is the largest lake in Keith County, at 24,885 acres.
Largest Lakes in Nebraska
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake McConaughy | Keith | 24,885 acres | - |
| 2 | Harlan County Lake | Harlan | 12,822 acres | - |
| 3 | Calamus Reservoir | Loup | 5,032 acres | - |
| 4 | Swanson Lake | Hitchcock | 4,661 acres | - |
| 5 | Sutherland Reservoir | Lincoln | 2,956 acres | - |
All 660 Nebraska lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 139496217). Verified October 30, 2026.