Sumapaz River

Sumapaz River
Lake Chisacá, source of the river
Source location in Colombia
Native nameRío Sumapaz (Spanish)
Location
CountryColombia
Physical characteristics
Source 
  locationLake Chisacá, Sumapaz Páramo
  coordinates4°16′51″N 74°12′25.4″W / 4.28083°N 74.207056°W / 4.28083; -74.207056
  elevation4,710 m (15,450 ft)
Mouth 
  location
Ricaurte
  coordinates
4°15′51″N 74°46′50″W / 4.264257°N 74.780632°W / 4.264257; -74.780632
  elevation
289 m (948 ft)
Length95 km (59 mi)
Basin size480 km2 (190 sq mi)
Basin features
River systemMagdalena River
 Caribbean Sea
Tributaries 
  leftPilar River, San Juan River, Cuja River, Panches River

The Sumapaz River (Spanish: Río Sumapaz) is a major tributary of the Magdalena River in Colombia. The 95 kilometres (59 mi) long river originates in the Eastern Ranges of the Colombian Andes at the largest páramo in the world; Sumapaz, of which it takes its name. It forms the natural boundary between the departments of Cundinamarca and Tolima.