Lakes / Arkansas / Union County / Grand Marais
Grand Marais, Arkansas
610 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Arkansas
33.07 degrees N, 92.14 degrees W - Union 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 Grand Marais Stacks Up
- Larger than 92% of the 623 lakes counted in Arkansas.
- The largest lake in Union County among those counted.
- About 112 miles from Hot Springs, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Wildcat Lake | Union | 1.5 mi | 106 acres |
| Redeye Lake | Ashley | 2.1 mi | 307 acres |
| Forty Acre Millpond | Union | 2.7 mi | 34 acres |
| Redeye Lake | Ashley | 3.0 mi | 369 acres |
| Open Brake | Union | 3.1 mi | 64 acres |
| Little Lake | Union | 3.5 mi | 74 acres |
Straight-line distance between lake centers.
Facts and Figures
Waterbody ID{767DC60F-2B91-48C5-BF48-D8CAB809874C}
CountyUnion
Lake TypeLake
Coordinates33.0715, -92.1444
Questions About Grand Marais
How Big Is Grand Marais?
Grand Marais covers 610 acres in Union County, Arkansas.
What Is the Largest Lake in Union County?
Grand Marais is the largest lake in Union County, at 610 acres.
Largest Lakes in Arkansas
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Bull Shoals Lake | Marion | 44,979 acres | - |
| 2 | Lake Ouachita | Garland | 38,214 acres | - |
| 3 | Lake Dardanelle | Johnson | 34,067 acres | - |
| 4 | Greers Ferry Lake | Cleburne | 31,054 acres | - |
| 5 | Beaver Lake | Benton | 28,026 acres | - |
All 623 Arkansas 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 {767DC60F-2B91-48C5-BF48-D8CAB809874C}). Verified October 30, 2026.