Photo credit: Carlo Giovannetti (Thief12)
Puerto Rico has over 50 rivers, most originating from the island's central mountainous region which receives heavy rainfall. The largest of these rivers, Rio de la Plata, measures approximately 60.5 mi. (97 km), starting at an altitude of 2,625 ft (800 m) above sea level in Cayey before ending between the northern coastal towns of Dorado and Toa Baja.