Delaware & Raritan Canal State Park, NJ Hike and bike along the river corridor on an historic canal towpath.
Delaware Canal State Park, PA 60-mile historic canal towpath open to hiking and biking.
Martins Creek Environmental Preserve (includes Lower Mount Bethel Township &Tekening Hiking Trails) Hike and bike along 5 miles of trail
Marble Hill Natural Area (Phillipsburg, NJ)
Ralph Stover State Park, PA Easy walking trail.
Washington Crossing Historic Park, PA Stroll around the historic landscape.
Washington Crossing State Park, NJ 15 miles of hiking trails throughout the park.