This is one of the most interesting hikes on St. John, but unless you're a rugged individualist who wants a physical challenge (and that describes a lot of people who stay on St. John), you can probably get the most out of the trip if you join a hike led by a park service ranger. A ranger can identify the trees and plants on the hike down, fill you in on the history of the Reef Bay Plantation, and tell you about the petroglyphs on the rocks at the bottom of the trail.
A side trail takes you to the plantation's greathouse, a gutted but mostly intact structure with vestiges of its former beauty. Take the safari bus from the park's visitor center. A boat takes you from the beach at Reef Bay back to the visitor center, saving you the uphill climb. It's a good idea to make reservations for this trip, especially during the winter season. They can be made at the Friends of the Park store, in Mongoose Junction.
Rte. 10, Reef Bay, St. John, 00831, U.S. Virgin Islands