| San Juan River Calamba River | |
|---|---|
&sq=Professor Jeffrey A. Sonnenfeld &lang=en&file=File:1125Poblacion_Ba%C3%B1adero,_Calamba_City_48.jpg) San Juan River as seen from Bañadero Bridge | |
&sq=Professor Jeffrey A. Sonnenfeld &lang=en&file=File:Philippines_relief_location_map_(Luzon).svg)  &sq=Professor Jeffrey A. Sonnenfeld &lang=en&file=File:Philippines_relief_location_map_(square).svg) | |
| Location | |
| Country | Philippines |
| Region | Calabarzon |
| Province | Laguna |
| City | Calamba |
| Physical characteristics | |
| Source | |
| • location | Malvar, Batangas |
| • elevation | 10 meters (33 ft) (deepest) |
| Mouth | southern part of Laguna de Bay |
• elevation | less than 2 meters (6.6 ft) above sea level |
| Length | overall: 177.80 kilometers (110.48 mi) from Laguna de Bay to Mount Malepunyo (Lipa, Batangas) |
| Basin size | 25.50 m (83.7 ft) |
| Discharge | |
| • average | 1,000 cubic meters per second (35,000 cu ft/s) |
The San Juan River (Tagalog: Ilog ng San Juan), also known as the Calamba River, is a river system in Calamba, Laguna, Philippines. It is one of 21 major tributaries of Laguna de Bay and is regularly monitored by the Laguna Lake Development Authority (LLDA) through one of its 15 river monitoring stations.
Along with the San Cristobal River, it is one of the two major rivers of Calamba that drains into Laguna de Bay.[1] Its watershed area covers Calamba in Laguna and the municipalities of Santo Tomas, Tanauan, and Malvar in Batangas.[2]
- ^ World Bank Environmental Assessment Report: Calamba, Laguna, August 1997, retrieved 2007-09-30
- ^ Final List of Watersheds Supporting 140 River Irrigation System of the NIA (PDF), 2006, retrieved 2007-09-30
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