Lakes / Nebraska / Sheridan County / Dennis Lake
Dennis Lake, Nebraska
69 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Nebraska
42.13 degrees N, 102.40 degrees W - Sheridan 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 Dennis Lake Stacks Up
- Larger than 53% of the 660 lakes counted in Nebraska.
- About 109 miles from North Platte, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Conley Lake | Sheridan | 1.8 mi | 26 acres |
| Welsh Lake | Sheridan | 2.6 mi | 55 acres |
| Snow Lake | Sheridan | 3.0 mi | 169 acres |
| Thompson Lake | Sheridan | 3.2 mi | 156 acres |
| Black Lake | Sheridan | 3.4 mi | 278 acres |
| Crowther Lake | Sheridan | 3.9 mi | 38 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Dennis Lake
How Big Is Dennis Lake?
Dennis Lake covers 69 acres in Sheridan County, Nebraska.
What Is the Largest Lake in Sheridan County?
Twin Lakes is the largest lake in Sheridan County, at 1,307 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 150501396). Verified October 30, 2026.