Lakes / Nebraska / Sheridan County / Diamond Lake
Diamond Lake, Sheridan County, Nebraska
339 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Nebraska
42.28 degrees N, 102.48 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 Diamond Lake Stacks Up
- Larger than 90% of the 660 lakes counted in Nebraska.
- About 119 miles from North Platte, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Goose Lake | Sheridan | 2.0 mi | 56 acres |
| Joy Lake | Sheridan | 2.2 mi | 205 acres |
| Skunk Lake | Sheridan | 2.4 mi | 79 acres |
| Twin Lakes | Sheridan | 2.5 mi | 1,307 acres |
| Wilkinson Lake | Sheridan | 4.4 mi | 84 acres |
| Peter Long Lake | Sheridan | 4.5 mi | 371 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Diamond Lake
How Big Is Diamond Lake?
Diamond Lake covers 339 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 150499668). Verified October 30, 2026.