Rio Camuy is a subterranean stream , traveling for seven miles under the karst of northwestern Puerto Rico , about 50 miles north of Ponce and 55 miles west of San Juan .
Puerto Rico
Ponce
/location/location/contains
Puerto Rico
San Juan
/location/country/capital
Puerto Rico
San Juan
/location/location/contains
LOCATION
Puerto Rico
LOCATION
Ponce
LOCATION
San Juan