Rocky Neck State Park Trail is a standout hiking destination in East Lyme, Connecticut, covering 5.0 miles with 100ft of elevation change. Stats: 5.0 miles, 100ft gain, Easy. Type: Loop. Surface: Sand/Dirt. Time: 2-3 hours. Fee: $15-22 parking. Dogs: Yes. Permit: No. Wildlife: deer, herons, ospreys, harbor seals. Best seasons: Long Island Sound beach and forest trail. Pack water, layers, and appropriate footwear. Conditions vary across Connecticut. Leave No Trace: stay on trail, pack out all waste, respect wildlife.