St. Mary's River State Park
| St. Mary's River State Park | |
|---|---|
St. Mary's River State Park Location in Maryland St. Mary's River State Park St. Mary's River State Park (the United States) | |
| Location | Saint Mary's County, Maryland, United States |
| Nearest town | Lexington Park, Maryland |
| Coordinates | 38°16′30″N 76°31′10″W / 38.27500°N 76.51944°W |
| Area | 2,643 acres (1,070 ha) |
| Elevation | 98 ft (30 m) |
| Established | 1968 |
| Administered by | Maryland Department of Natural Resources |
| Designation | Maryland state park |
| Website | Official website |
St. Mary's River State Park is a public recreation area located in St. Mary's County, Maryland. The state park consists of two sites: one encompasses 250-acre (100 ha) St. Mary's Lake; the second covers 2,200 acres (890 ha) and is largely undeveloped. The park is managed by the Maryland Department of Natural Resources.