Deer Ridge Camp Site is a primitive campground within the 7,154-acre Deer Ridge Conservation Area near Williamstown in Lewis County, Missouri, offering drive-in camping with picnic tables and fire rings.

The area features multiple multi-use trails (ranging from 0. 6 to 4. 4 miles), a concrete boat ramp and fishing dock on Deer Ridge Lake, and facilities including privies and disabled accessible parking.

Located at 705-717 feet elevation with rolling hills and dense woodlands, the campground is open year-round and accessible via Route H north from Lewistown, then Route Y west.