St John is a small island in the U.S. Virgin Islands. Virgin Islands National Park covers most of the island. Andy Riddle submitting this route that crosses the center of the island on trails:
The St. John Island Crossing is a 6 mile out and back route that runs through the Virgin Islands National Park from Maho Bay on the north shore to Reef Bay on the south shore. The route follows the Maria Hope Trail up to Centerline road, crosses the road, and then follows the Reef Bay trail down to Reef Bay and returns along the same route. The trail runs through lush jungle with several breathtaking views of the bays along the way.