The 4,000 acre Sourland Mountain Preserve is county owned and administered by the Somerset County Park Commission. The Preserve provides passive recreational opportunities in an undisturbed natural setting. 

The Preserve occupies a portion of the northeast "point" of the Sourland Region, which stretches southwest across Hillsborough and Montgomery Townships through southern Hunterdon and northern Mercer counties to the Delaware River.

It offers several recreational opportunities in an undisturbed natural setting, including hiking, mountain biking, bird watching, bouldering and horseback riding.