Puerto Rico
ModerateCambalache State Forest Radio Tower Road
Karst country radio tower ruins through dry forest
Trail Type: Technical 4x4
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
ModerateBosque Estatal de Susúa Observatory Road
Rainforest climb to abandoned radio tower views
Puerto Rico
DifficultKarst Country Isabela Cave Circuit
Underground Puerto Rico through ancient limestone maze
Puerto Rico
ExpertCordillera Central Toro Negro to Villalba Summit Road
Cloud forest ridge run through radio tower maze
Puerto Rico
ExpertRío Grande de Arecibo Gorge Access Road
Limestone labyrinth with teeth-grinding descents
Puerto Rico
DifficultMaricao Coffee Plantation Ridge Road
Coffee country climbs where hurricanes left their mark
Puerto Rico
ExpertBosque Estatal de Toro Negro Observatory Road
Cold War ruins in the clouds above Puerto Rico