Jenny Jump State Forest Access provides entry to a 14-mile trail system in Warren County with multiple access points for hiking and outdoor recreation.

The main park entrance is located off State Park Road near Hope, NJ, with additional access at Mountain Lake on the north end via Lakeside Drive North, offering parking areas and trailheads for day-use visitors.

The forest includes Ghost Lake and Mountain Lake with car-top boat launch areas for paddling and fishing, plus camping facilities (22 tent/trailer sites and 8 year-round shelters) available by reservation.