Puerto Rico
ModerateCambalache State Forest Radio Tower Road
Karst country radio tower ruins through dry forest
Surface: Rock
Puerto Rico
ExtremeMona Island Supply Trail
Uninhabited island crossing with pristine beaches
Puerto Rico
DifficultEl Yunque Peak Summit Road
Technical climb to Puerto Rico's highest peak
Puerto Rico
ExpertCamuy River Underground Access Road
Underground river system through limestone karst caves
Puerto Rico
DifficultBosque Estatal de Río Abajo Cave System Access Road
CCC roads to Puerto Rico's deepest cave systems
Puerto Rico
DifficultKarst Country Isabela Cave Circuit
Underground Puerto Rico through ancient limestone maze
Puerto Rico
ExpertRío Grande de Arecibo Gorge Access Road
Limestone labyrinth with teeth-grinding descents
Puerto Rico
DifficultCueva Ventana Limestone Ridge Technical Route
Limestone maze to the window cave.
Puerto Rico
ModerateRio Camuy to Quebradillas Karst Backcountry Road
Karst country from caves to coast.
Puerto Rico
ExpertMona Passage Lighthouse Keepers’ Supply Road
Caribbean island isolation meets technical punishment.