Trails Illustrated topographic maps are the most detailed and up-to-date recreation maps available for these national parks, national forests and popular outdoor recreation areas. This map includes: the island of St. John; the entire Virgin Islands National Park; Virgin Islands Coral Reef National Monument; Mount Sage National Park; Tortola Island; Great Thatch Island; Little Thatch Island; Frenchmans Cay; Lovango Cay; Congo Cay; Mingo Cay; Dog Island; Hawksnest Bay; Durloe Cays; Durloe Channel; Cinnamon Bay; Trunk Bay; Mary Point; Francis Bay; and UTM grids for GPS.