English: Tunasan River
[1] San Pedro, Laguna
[2] [3] The Tunasan River (Tagalog: Ilog ng Tunasan), also referred to as the Tunasan-Cuyab River, is a river system in the Philippines. This river begins in Dasmariñas, Cavite, and ends 9 kilometers later at the border of Muntinlupa City, and San Pedro, Laguna. It is one of 21 major tributaries of Laguna de Bay. The river system has 6 adjoining creeks: 2 in San Pedro, Laguna and Dasmariñas, Cavite xxx. -- Proposed Flood Control Project in San Pedro River - P 92 million, April 11, 2013 - Barangay Cuyab
[4] Coordinates: 14°22'15"N 121°3'32"E The depth of the Tunasan currently varies from two meters to 0.25 meters. --- San Pedro, Laguna
[5] San Pedro City, or officially known as the City of San Pedro (Filipino: Lungsod ng San Pedro) is a first class city in the province of Laguna, Philippines is Laguna's gateway to Metro Manila, the latest census, it has a population of 294,310 inhabitants.