San Cristobal River

San Cristobal River
San Cristobal River, the boundary shore of Calamba
Native nameMatang Tubig River (Tagalog)
Location
CountryPhilippines
RegionCalabarzon
ProvinceLaguna
Cities
Physical characteristics
MouthLaguna de Bay
 • coordinates
14°13′49″N 121°11′12″E / 14.23028°N 121.18667°E / 14.23028; 121.18667
 • elevation
less than 2 meters (6.6 ft) above sea level

The San Cristobal River (Tagalog: Ilog ng San Cristobal), commonly known as the Matang Tubig River, is a river system in the cities of Calamba and Cabuyao, Laguna, Philippines. The river is one of 21 major tributaries of Laguna de Bay.