Big Sandy Boat Ramps
2 boat launches are mapped on Big Sandy in Aitkin County, Minnesota.
2 of these launches include facility details from Minnesota Department of Natural Resources.
Big Sandy facts
| Surface area | 6,335 acres |
|---|---|
| Type | Reservoir (mapped as Big Sandy Lake) |
| Average depth | about 6 ft (normal storage ÷ surface area) |
| Shoreline length | about 64.9 miles |
| Surface elevation | 1,201 ft above sea level |
| Dam | Sandy Lock And Dam, completed 1895 |
| Dam size | 22 ft high, 109 ft long, earth dam |
| Dam purposes | Other, Navigation, Fish and Wildlife Pond, Recreation, Water Supply, Flood Risk Reduction |
| Dam owner | USACE - St. Paul District (Federal) |
| Normal storage | 38,000 acre-feet |
| Impounded stream | Sandy River |
| Navigation locks | 1 |
Sources: USGS National Hydrography Dataset (public domain); HydroLAKES v1.0 (Messager et al. 2016, CC BY 4.0); U.S. Army Corps of Engineers National Inventory of Dams (NID ID MN00583). Matched to this page by name and location; modelled values are approximate. See all sources.
Fish in Big Sandy
Found in state fisheries survey (2025): Walleye.
Minnesota DNR lists maximum depth 84 ft, mean depth 21 ft, average water clarity 4.5 ft.
Source: Minnesota DNR LakeFinder lake survey. Species lists come from state survey and stocking records, not a guarantee of what you will catch; check current state fishing regulations.
- Big Sandy Lake (E) Public Water Access Sitenear McGregor · Big Sandy
- Big Sandy Lake (S Central) Public Water Access Sitenear McGregor · Big Sandy
Counties
- Aitkin County (2)