Lakes / Nebraska / Grant County / Mar Lake
Mar Lake, Nebraska
37 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Nebraska
41.90 degrees N, 102.04 degrees W - Grant 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 Mar Lake Stacks Up
- Larger than 22% of the 660 lakes counted in Nebraska.
- About 85 miles from North Platte, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Alkali Lake | Grant | 1.6 mi | 175 acres |
| Groves Lake | Grant | 1.9 mi | 104 acres |
| Longfellow Lake | Grant | 3.5 mi | 73 acres |
| Dipping Vat Lake | Garden | 4.3 mi | 46 acres |
| Swede Lake | Grant | 4.8 mi | 67 acres |
| Dominick Lake | Grant | 5.0 mi | 112 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Mar Lake
How Big Is Mar Lake?
Mar Lake covers 37 acres in Grant County, Nebraska.
What Is the Largest Lake in Grant County?
Spring Valley Lake is the largest lake in Grant County, at 429 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 143660409). Verified October 30, 2026.