Winterthur Trail is a standout hiking destination in Winterthur, Delaware, covering 2.0 miles with 100ft of elevation change. Stats: 2.0 miles, 100ft gain, Easy. Type: Loop. Surface: Dirt. Time: 1 hour. Fee: $8 garden admission. Dogs: Yes. Permit: No. Wildlife: deer, foxes, songbirds. Best seasons: Historic du Pont estate garden and woodland trail. Pack water, layers, and appropriate footwear. Conditions vary across Delaware. Leave No Trace: stay on trail, pack out all waste, respect wildlife.