Parvin State Park Trail is a standout hiking destination in Elmer, New Jersey, covering 6.5 miles with 80ft of elevation change. Stats: 6.5 miles, 80ft gain, Easy. Type: Loop. Surface: Sand/Dirt. Time: 3 hours. Fee: $10 park fee. Dogs: Yes. Permit: No. Wildlife: deer, foxes, herons, painted turtles. Best seasons: South Jersey cedar forest and lake trail. Pack water, layers, and appropriate footwear. Conditions vary across New Jersey. Leave No Trace: stay on trail, pack out all waste, respect wildlife.