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Tunasan River Tunasan-Cuyab River
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Location
Country	Philippines
Region	Calabarzon National Capital Region
Province	Cavite Laguna
Physical characteristics
Source	Dasmariñas, Cavite
Mouth	western lobe of Laguna de Bay
• coordinates	14°22′49″N 121°03′30″E / 14.380389°N 121.058232°E / 14.380389; 121.058232
• elevation	less than 2 meters (6.6 ft) above sea level
Length	9 km (5.6 mi)

The Tunasan River (Tagalog: Ilog ng Tunasan), also referred to as the Tunasan–Cuyab River, is a river system in the Philippines. The river begins at the border of San Pedro, Laguna and Dasmariñas, Cavite, and ends 9 kilometers (5.6 mi) at the border of San Pedro and Muntinlupa. It is one of 21 major tributaries of Laguna de Bay.

The river system has six adjoining creeks: one in San Pedro, Laguna, one in Dasmariñas, Cavite, three from the ponds of Hallow Ridge Filipinas Golf in San Pedro, and one from the drainage system of RMT Complex in Muntinlupa.

The depth of the Tunasan River currently varies from 0.25 to 2 meters (9.8 in to 6 ft 6.7 in).

Both the river and barangay Tunasan were named after a medicinal plant locally called tunas (Nymphaea nouchali), once abundant on the Tunasan River and the shoreline of Laguna de Bay.

The Tunasan River received media attention in 1994 and 1995 due to a series of "fish kills" caused by high biochemical oxygen demand from decomposing water lilies and the profusion of residential wastes that find their way into the river during the rainy season.

See also

• Laguna Lake Development Authority
• List of rivers and estuaries in Metro Manila

References

1. "Tunasan-Cuyab River". Municipal Government of Muntinlupa. Archived from the original on September 27, 2007. Retrieved August 20, 2007.
2. Caber, Michael (February 5, 2006). "Muntinlupa officials investigate fish kill". Manila Standard.

External links

• Media related to Tunasan River at Wikimedia Commons

v t e Laguna de Bay
"The Largest Lake in the Philippines"
Location	Calabarzon Metro Manila
Basin country	Philippines
Islands	Talim Island Wonder Island Cielito Lindo Island
Primary outflow	Pasig River
Primary inflows	21 tributaries: Bumbungan River (formerly Pagsanjan River) Santa Cruz River Balanak River Marikina River Mangangate River Tunasan River San Pedro River Cabuyao River San Cristobal River San Juan River Bay River Calo River Maitem River Molawin River Dampalit River Pele River Pangil River Tanay River Morong River Siniloan River Sapang Baho River
Settlements	Provinces Laguna Rizal Metro Manila Cities Biñan Cabuyao Calamba Muntinlupa San Pedro Santa Rosa Taguig Municipalities Angono Baras Bay Binangonan Calauan Cardona Jalajala Kalayaan Los Baños Lumban Mabitac Morong Paete Pakil Pangil Pila Pililla Santa Cruz Siniloan Tanay Taytay Victoria
Luzon, Philippines

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