Thompson Park offers access to Marlu Lake, a calm 21-acre lake where visitors can fish from shore or launch canoes, kayaks, and trailered boats (electric motors only); a New Jersey freshwater fishing license is required for anglers ages 16-69.

The 667-acre park features 14 miles of multi-use trails, a visitor center, playground, and picnic facilities, with parking available at multiple locations including Marlu Lake and Filly Run areas.