High Point State Park, New Jersey, U.S. Total about 5miles hike. Trail start: Park Office near Route 23. Trail part1: from Park Office to High Point Monument (about 1.8mi) Trail part2: from Monument to Lake Marcia Trail part3: from Lake Marcia to Steeny Kill Lake (round 1.4mi) Trail part4: from cross section near Lake Marcia to Park Office (about 1.8mi)