Rivers & Lakes

10 min read

Lake Caliraya: Hydroelectric Heritage and Recreation in Laguna

Man-made reservoir in Laguna, Philippines, created in 1939 for hydroelectric power and known for bass fishing.

7 min read

Epol Falls: Geography, Legend and Tourism in Marilog, Davao City

Epol Falls is a waterfall in Marilog, Davao City, known for its legend of everlasting love and Matigsalug tribal heritage.

13 min read

Nabao Lake: Oxbow Formation and Eco-Tourism Development in Cabiao

Nabao Lake is a 38-hectare oxbow lake in Cabiao, Nueva Ecija, developed into an eco-tourism site with a floating market park.

14 min read

Asik-Asik Falls: Hydrology, Discovery and Geology in Cotabato

Asik-Asik Falls in Cotabato features water emerging from cliff crevices. Discovered in 2010, it is a proposed national geological monument.

12 min read

Lake Mainit: Geography, Hydrology and Fisheries in Northern Mindanao

Lake Mainit is the deepest lake in the Philippines, located in Surigao del Norte and Agusan del Norte.

18 min read

Lake Baao: Hydrology, Seasonal Dynamics and Basin Geography

Lake Baao is a shallow freshwater lake in Camarines Sur, Philippines, with a surface area of 1.77 km2 and unique seasonal shrinkage.

11 min read

Lake Tikub: Geology and Geography in Tiaong, Quezon

Lake Tikub is a maar crater lake in Tiaong, Quezon, part of the Laguna Volcanic Field near Mount Malepunyo.

7 min read

Pulangi River: Hydrology, Hydroelectric Infrastructure and Indigenous Heritage

The Pulangi River is the longest river in Bukidnon and a major tributary of the Rio Grande de Mindanao, featuring significant hydroelectric...

10 min read

Iloilo River: Estuarine Ecology, Port History and Urban Infrastructure

The Iloilo River is an estuarine waterway in Western Visayas, serving as a vital port, ecological nursery for fish and mangroves, and urban...

13 min read

Mapanuepe Lake: Formation, Submerged Heritage and Ecology in Zambales

Mapanuepe Lake in Zambales was formed by Mount Pinatubo's 1991 lahar damming. It features a submerged chapel and mercury-contaminated waters...

9 min read

Lake Bato: Hydrology, Ecology and the Sinarapan Fishery

Lake Bato in Camarines Sur is the 7th largest lake in the Philippines, home to the endemic Sinarapan fish and extensive marshlands.

11 min read

Managong Falls: Geography, Etymology and Proposed Hydroelectric Development

Managong Falls in Sibagat, Agusan del Sur, is a hidden waterfall and proposed hydroelectric site in Mindanao.

11 min read

Pasig River: Ecology, Rehabilitation and Urban Infrastructure

The Pasig River is a 25.2 km tidal estuary in Metro Manila connecting Laguna de Bay to Manila Bay, known for its rehabilitation efforts.

12 min read

Hinulugang Taktak: Waterfall, Protected Landscape and Recreation in Rizal

Hinulugang Taktak is a protected landscape and waterfall in Rizal, Philippines, known for its history, rehabilitation efforts, and status as...

15 min read

Maria Cristina Falls: Hydrology, Power Generation and Heritage in Iligan

Maria Cristina Falls in Iligan City is a 98-meter waterfall on the Agus River, powering the Agus VI Hydroelectric Plant with 200 MW capacity...

10 min read

Pantabangan Lake: Hydrology, Infrastructure and Submerged Heritage

Pantabangan Lake in Nueva Ecija is a major reservoir providing irrigation, power and flood control, featuring submerged historic town ruins.

11 min read

Lake Lanao: Hydrology, Ecology and the Maranao Heritage

Lake Lanao is the largest lake in Mindanao and a UNESCO-potential ancient lake in the Philippines, home to endemic fish and Maranao culture.

13 min read

Jamboree Lake: Geography, History and Cultural Significance in Muntinlupa

Jamboree Lake is the smallest natural lake in the Philippines, located within the New Bilibid Prison Reservation in Muntinlupa.

12 min read

Lake Bulusan: Geography, Ecology and Access in Sorsogon

Lake Bulusan is a crater lake in Bulusan Volcano National Park, Sorsogon. It features greenish waters and endemic fish.

11 min read

Limunsudan Falls: Geography, Ecology and Tourism in Iligan City

Limunsudan Falls is a two-tiered waterfall in Iligan City, Philippines. Known as the country's second-highest, it faces ecological pressure...