Rivers & Lakes
Rivers, lakes, lagoons, waterfalls, and natural water features across the Philippines.
174 articlesArticles
Marudu Bay: Geography, History and Colonial Legacy
Marudu Bay is a large bay on the north coast of Borneo in Sabah, Malaysia. It features a history of Sulu influence, British colonial adminis...
Emden Deep: Geography, Exploration and Oceanographic Significance
The Emden Deep is the deepest part of the Philippine Trench, reaching 10,540 metres. Discovered in 1927, it was the site of the first crewed...
Celebes Sea: Geography, Geology and Marine Biodiversity
Geography, geology and biodiversity of the Celebes Sea, a marginal sea of the Pacific Ocean bordered by the Philippines and Indonesia.
Port of Manila: Infrastructure, Operations and Maritime History
Overview of the Port of Manila, the Philippines' premier international shipping gateway managed by the Philippine Ports Authority.
Naval Air Station Cubi Point: History, Construction and Legacy
History of the US Navy base at Subic Bay, its massive earthmoving construction, operations, and transition to an international airport.
Japanese submarine I-29: Yanagi Missions and Pacific Operations
Imperial Japanese Navy submarine I-29, a B1 type vessel, conducted secret Yanali missions with Germany and sank seven cargo ships during Wor...
USS New York (ACR-2): Armored Cruiser, War Service and Subic Bay Wreck
History of USS New York (ACR-2), a US Navy armored cruiser that served in the Spanish-American War and was scuttled in Subic Bay.
South China Sea: Geography, Geology and Maritime Disputes
Geography, geology, trade routes and territorial disputes of the South China Sea.
Wallace Line: Biogeographic Boundary Between Asia and Australia
The Wallace Line is a biogeographic boundary separating Asian and Australian fauna, drawn in 1859 by Alfred Russel Wallace.
Philippine Trench: Geology, Seismicity and Oceanographic Features
Overview of the Philippine Trench, its formation, depth, sedimentation and seismic history in the western North Pacific Ocean.
Panay Gulf: Geography, Maritime Routes and Historical Significance
Panay Gulf is an arm of the Sulu Sea between Panay and Negros islands in the Philippines, connecting to the Visayan Sea via Guimaras Strait.
Arroceros Urban Forest Park: History, Ecology and Urban Conservation in Manila
Arroceros Urban Forest Park is Manila's only nature park, a 2.2-hectare urban green space in Ermita with a complex history of conservation b...
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.