Rivers & Lakes

Rivers, lakes, lagoons, waterfalls, and natural water features across the Philippines.

174 articles

Articles

6 min read

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...

7 min read

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...

8 min read

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.

13 min read

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.

8 min read

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.

11 min read

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...

16 min read

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.

8 min read

South China Sea: Geography, Geology and Maritime Disputes

Geography, geology, trade routes and territorial disputes of the South China Sea.

11 min read

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.

7 min read

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.

10 min read

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.

14 min read

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...

12 min read

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.

13 min read

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.

14 min read

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.

9 min read

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.

12 min read

Corregidor Caldera: Geology and Volcanic Structure

Geological profile of the Corregidor Caldera, an extinct volcanic structure at the entrance to Manila Bay in Cavite.

9 min read

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.

12 min read

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.

14 min read

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.