Prospect Valley is a populated place in Weld County, Colorado, United States.

The Post Office at Keenesburg serves the Prospect Valley postal address.

[2] SH 52 runs east and west through the community.

Prospect Valley is located at 40°4′25″N 104°24′54″W / 40.07361°N 104.41500°W / 40.07361; -104.41500 (40.0735938, -104.4149556),[3] along State Highway 52, 11 miles east of Keenesburg.

This Colorado-related article is a stub.