Harvey Gap State Park

Harvey Gap State Park
One of the swimming beaches at the park.
LocationGarfield County, Colorado, U.S.
Nearest cityRifle, Colorado
Coordinates39°36′52″N 107°39′22″W / 39.61444°N 107.65611°W / 39.61444; -107.65611
Area320 acres (1.3 km2)
Established1987
Visitors79,880 (in 2021)
Governing bodyColorado Parks and Wildlife

Harvey Gap State Park, is a Colorado state park founded in 1987. It is well known for its fishing and limited use boating. The park's reservoir—Grass Valley Reservoir—is 190 acres (0.77 km2) when full and allows fishing year round.