Big River Management Area Trail is a standout hiking destination in West Greenwich, Rhode Island, covering 6.0 miles with 200ft of elevation change. Stats: 6.0 miles, 200ft gain, Moderate. Type: Loop. Surface: Dirt. Time: 2-3 hours. Fee: Free. Dogs: Yes. Permit: No. Wildlife: deer, wild turkeys, foxes, herons. Best seasons: The largest undeveloped woodland in Rhode Island. Pack water, layers, and appropriate footwear. Conditions vary across Rhode Island. Leave No Trace: stay on trail, pack out all waste, respect wildlife.