Nauset Marsh Trail is a standout hiking destination in Eastham, Massachusetts, covering 3.5 miles with 60ft of elevation change. Stats: 3.5 miles, 60ft gain, Easy. Type: Loop. Surface: Sand/Dirt. Time: 1-2 hours. Fee: $25 NPS fee. Dogs: Yes. Permit: No. Wildlife: shorebirds, herons, seals, deer. Best seasons: Salt marsh and oceanside trail on the outer Cape. Pack water, layers, and appropriate footwear. Conditions vary across Massachusetts. Leave No Trace: stay on trail, pack out all waste, respect wildlife.