Rivers & Lakes
Rivers, lakes, lagoons, waterfalls, and natural water features across the Philippines.
162 articlesArticles
Don Placido Escudero Dam: History and Heritage in Quezon
Historic gravity dam in Tiaong, Quezon. First mini-hydroelectric dam in the Philippines, now part of Villa Escudero resort.
East Luzon Trough: Geology, Seismicity and Tectonic Structure
The East Luzon Trough is an oceanic trench east of Luzon, 5700m deep, formed by Philippine Sea Plate subduction.
Corregidor Island Lighthouse: History, Structure and Naval Role
Historic lighthouse on Corregidor Island, Cavite, established in 1853 to guide ships into Manila Bay and used in WWII.
North Luzon Trough: Geology and Tectonic Structure
Geological profile of the North Luzon Trough, a forearc basin off Luzon formed by Philippine Sea Plate subduction.
Corregidor Caldera: Geology and Volcanic Structure
Geological profile of the Corregidor Caldera, an extinct volcanic structure at the entrance to Manila Bay in Cavite.
Pollution of the Pasig River: History, Causes and Rehabilitation Efforts
Analysis of the Pasig River's pollution history, from biological death in 1990 to global plastic rankings and rehabilitation programs.
Mindanao River: Hydrology, Geography and Regional Significance
The Mindanao River is the largest river system in Mindanao, Philippines, draining 23,169 km² and flowing through Bukidnon and Cotabato.
Indonesian coelacanth: Discovery, Biology and Conservation
Latimeria menadoensis is a vulnerable deep-sea fish discovered in 1997 in Indonesia, known for its brown color and ancient lineage.
Sulu Trench: Geology, Seismicity and Subduction Dynamics
Geological profile of the Sulu Trench, an oceanic trench in the Pacific Ocean west of Mindanao and Sulu.
Leyte Gulf: Geography, Ecology and Historical Significance
Leyte Gulf is a body of water in the Eastern Visayas, known for the Battle of Leyte Gulf and rich marine biodiversity.
USS Resourceful (AFDM-5): History and Operations of a Floating Dry Dock in the Philippines
History of USS Resourceful (AFDM-5), a US Navy floating dry dock built in 1943 and operated in Subic Bay until 2021.
Silot Lagoon: Geography, Ecology and Property Disputes in Liloan, Cebu
Silot Lagoon in Liloan, Cebu is a shallow mangrove lagoon connected to the Camotes Sea. Known for its whirlpools and a long-standing propert...
North Port Passenger Terminal: Infrastructure and Operations
Overview of the North Port Passenger Terminal in Manila, its capacity, facilities, and history since opening in 2013.
Philippine Sea: Geography, Biodiversity and Strategic History
The Philippine Sea is the world's largest marginal sea, a biodiversity hotspot in the Coral Triangle, and a historic naval battleground.
Malampaya Sound: Geography, Ecology and Marine Protected Area Status
Malampaya Sound is a protected inlet in Palawan, Philippines, known for its diverse ecosystems and as the only habitat of Irrawaddy dolphins...
South Chamorro Seamount: Geology, Ecology and Research History
South Chamorro Seamount is a large serpentinite mud volcano in the Izu–Bonin–Mariana Arc, known for high-temperature flows and unique deep-s...
Benham Bank: Geology, Biodiversity and Marine Research in the Philippine Sea
Benham Bank is a shallow ocean bank in the Philippine Sea, part of the Benham Rise. It features unique mesophotic coral reefs and hosts over...
Naujan Lake: Hydrology, Ecology and National Park Heritage
Naujan Lake is the fifth largest lake in the Philippines, located in Oriental Mindoro. It is the centerpiece of the Naujan Lake National Par...
La Mesa Dam: Infrastructure, History and Water Supply for Metro Manila
La Mesa Dam in Quezon City is a key component of the Angat-Ipo-La Mesa water system, supplying Metro Manila since 1929.
Moro Gulf: Geography, Seismic Activity and Maritime Economy
The Moro Gulf is the largest gulf in the Philippines, located off Mindanao. It is a major tuna fishing ground and site of the 1976 earthquak...