RT null T1 Laguna de Bay: 2013 Ecosystem Health Report Card A1 Philippines, A1 Partnerships in Environmental Management for the Seas of East Asia Resource Facility, PB Laguna Lake Development Authority SN Not Available YR 2013 FD 2013 LK https://wedocs.unep.org/handle/20.500.11822/27900 UL https://wedocs.unep.org/handle/20.500.11822/27900 NO Laguna de Bay is the largest inland water in the Philippines and the third largest in South East Asia. The lake has a surface area of 900 km², with an average depth of about 2.5 meters and an elevation of about 1 meter above sea level. It is bordered by the province of Laguna in the east, west and southwest, the province of Rizal in the north to northeast, and Metro Manila in the northwest. DS UN Environment Document Repository RD Sep 19, 2026