Brush Lake State Park
| Brush Lake State Park | |
|---|---|
| Location | Sheridan County, Montana, United States |
| Nearest town | Dagmar, Montana |
| Coordinates | 48°36′10″N 104°6′46″W / 48.60278°N 104.11278°W |
| Area | 450 acres (180 ha) |
| Elevation | 1,959 ft (597 m) |
| Designation | Montana state park |
| Established | 2004 |
| Visitors | 35,510 (in 2023) |
| Administrator | Montana Fish, Wildlife & Parks |
| Website | Brush Lake State Park |
Brush Lake State Park is a public recreation area located four miles east of the community of Dagmar, Montana. The park surrounds three sides of the highly alkaline, 280-acre (110 ha), sixty-foot-deep Brush Lake.