Rivers & Lakes

14 min read

Agno River: Hydrology, Infrastructure and Basin Ecology

The Agno River is the largest river by discharge in the Philippines, draining 6.6 cubic kilometers into Lingayen Gulf. It features three maj...

13 min read

Tambagoko River: Hydrology, Cacao Production and Basin Geography in Agusan del Sur

The Tambagoko River is a tributary of the Sibagat River in Agusan del Sur, Philippines, noted for its cacao production potential.

12 min read

Jalaur River: Hydrology, Irrigation Infrastructure and the Multipurpose Project

The Jalaur River is the second longest river on Panay island, vital for Iloilo's irrigation and potable water supply.

10 min read

Umiray River: Geography, Transbasin Project and Strategic History

The Umiray River separates Aurora and Quezon provinces in Luzon. It is a key site for the Umiray-Angat Transbasin Project and historical mil...

10 min read

Muleta River: Hydrology, Agricultural Impact and Watershed Management in Bukidnon

The Muleta River is a major tributary of the Pulangi River in Bukidnon, Mindanao, Philippines, significantly impacting regional water qualit...

13 min read

Sibagat River: Hydrology, Etymology and Infrastructure in Agusan del Sur

The Sibagat River is a tributary of the Wawa River in Agusan del Sur, Philippines, named after the local word for 'meeting place'.

16 min read

Cagayan River (Mindanao): Hydrology, Tourism and Fishery

The Cagayan River in Mindanao flows 90 km from Bukidnon to Cagayan de Oro, known for whitewater rafting and artisanal fishery.

12 min read

Sawaga River: Hydrology, Irrigation and Basin Geography in Bukidnon

The Sawaga River in Bukidnon, Philippines, is a 64.5 km waterway vital for irrigation in Malaybalay City, flowing from Mt. Tuminungan to the...

14 min read

Santa Cruz River (Philippines)

River in Laguna, Philippines; tributary of Laguna de Bay; irrigation source; environmental status.

12 min read

Pansipit River: Hydrology, Ecology and Aquaculture History

The Pansipit River is the sole drainage outlet of Taal Lake in Batangas, Philippines. This article covers its hydrology, ecology, and aquacu...

8 min read

Apayao River: Hydrology, Ecology and the yApayaos Biosphere Reserve

The Apayao River in Luzon flows to the Pacific Ocean, forming a major basin with the Abulog River and hosting the critically endangered Asia...

11 min read

Bued River: Hydrology, Siltation and Course through Luzon

The Bued River is an 80 km river in Luzon, Philippines, flowing from Baguio to Pangasinan, known for heavy siltation and mining pollution.

16 min read

Angat River: Hydrology, Infrastructure and Municipal Geography

The Angat River in Bulacan flows from the Sierra Madre to Manila Bay, featuring three major dams and serving as a key water source.

10 min read

Bumbungan River: Hydrology, Tourism and Conservation in Laguna

The Bumbungan River in Laguna feeds Laguna de Bay and hosts Pagsanjan Falls, a major tourist destination.

12 min read

Agus River: Hydrology, Hydroelectric Power and Regional Significance

The Agus River flows from Lake Lanao to Iligan Bay, powering Mindanao's grid and shaping local ecology.

12 min read

Padsan River: Hydrology and Cultural Significance in Ilocos Norte

The Padsan River is the largest river in Ilocos Norte, Philippines. It flows through Dingras, Sarrat, and Laoag City.

12 min read

Tarlac River: Hydrology, Lahar Impact and Irrigation in Central Luzon

The Tarlac River is the longest tributary of the Agno River in Central Luzon, heavily impacted by Mount Pinatubo lahar.

10 min read

Sibalom River: Hydrology, Watershed Ecology and Conservation in Antique

The Sibalom River is the longest river in Antique, Philippines, with a 74.5 km course and a critical lowland rainforest watershed.

15 min read

Pangil River: Hydrology, Conservation and History in Laguna

The Pangil River in Laguna is a tributary of Laguna de Bay with historical significance and severe water quality issues.

12 min read

Guisit River: Hydrology and the Yldefonso Legacy in Piddig

The Guisit River in Piddig, Ilocos Norte, is a gentle stream in the Laoag basin, known as the training ground for Olympian Teófilo Yldefonso...