Lakes / Nebraska / Garden County / Roundup Lake
Roundup Lake, Nebraska
139 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Nebraska
41.75 degrees N, 102.41 degrees W - Garden 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 Roundup Lake Stacks Up
- Larger than 76% of the 660 lakes counted in Nebraska.
- About 96 miles from North Platte, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Gimlet Lake | Garden | 1.3 mi | 58 acres |
| Island Lake | Garden | 1.3 mi | 532 acres |
| Hackberry Lake | Garden | 1.8 mi | 325 acres |
| Gaff Lake | Garden | 2.3 mi | 59 acres |
| Shafer Lake | Garden | 2.4 mi | 27 acres |
| Goose Lake | Garden | 2.6 mi | 235 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Roundup Lake
How Big Is Roundup Lake?
Roundup Lake covers 139 acres in Garden County, Nebraska.
What Is the Largest Lake in Garden County?
Crescent Lake is the largest lake in Garden County, at 1,008 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 148189754). Verified October 30, 2026.