| Upper Dam | |
|---|---|
| Official name | Lost Man Creek Dam |
| Location | 0.8 miles upstream from Prairie Creek Fish Hatchery |
| Coordinates | 41°19′44″N 124°01′17″W / 41.3290°N 124.0214°W |
| Purpose | Hatchery |
| Status | Removed |
| Opening date | 1936 |
| Demolition date | 1989 |
| Dam and spillways | |
| Type of dam | Gravity dam |
| Impounds | Lost Man Creek |
Lost Man Creek Dam was a gravity dam used by the Prairie Creek Fish Hatchery in Humboldt County, California from 1936 to 1955.[1]