The Abra River, also called Lagben River, is the seventh largest river system in the Philippines in terms of watershed size. It has an estimated drainage area of 5,125 square kilometres (1,979 sq mi) and a length of 206 kilometres (128 mi) from its source in the vicinity of Mount Data in Benguet province.[1]

Abra River
Abra River 1.jpg
Abra River is located in Luzon
Abra River
Abra River mouth
Abra River is located in Philippines
Abra River
Abra River (Philippines)
Physical characteristics
SourceMount Data
 • locationBenguet, Cordillera Administrative Region
 • elevation2,310 m (7,580 ft)
MouthSouth China Sea
 • location
Caoayan, Ilocos Sur
 • coordinates
17°30′47″N 120°23′45″E / 17.51306°N 120.39583°E / 17.51306; 120.39583Coordinates: 17°30′47″N 120°23′45″E / 17.51306°N 120.39583°E / 17.51306; 120.39583
 • elevation
0 m (0 ft)
Length206 km (128 mi)[1]
Basin size5,125 km2 (1,979 sq mi)[2]
 • average350 m3/s (12,000 cu ft/s)
Basin features
 • rightTineg River


The Abra originates in the southern section of Mount Data. It descends westward to Cervantes, Ilocos Sur, and flows into Abra. At a point near the municipality of Dolores, it is joined by the Tineg River, which originates in the uplands of Abra.[3]


This is listed from source to mouth.

  1. Cervantes–Mankayan–Abatan Road (Cervantes, Ilocos Sur)
  2. Aluling Bridge (Tagudin–Cervantes–Sabangan Road (Cervantes)
  3. Sto. Tomas Bridge (Manabo, Abra)
  4. Don Mariano Marcos Bridge (Abra–Kalinga Road, TayumDolores boundary)
  5. Calaba Bridge (Ilocos Norte–Abra Road, Bangued)
  6. Old Quirino (Banaoang) Bridge (SantaBantay boundary, Ilocos Sur)
  7. Quirino Bridge (  N2 (MacArthur Highway), Santa–Bantay boundary, Ilocos Sur)


  1. ^ a b Kenneth Kimutai too (July 24, 2018). "Longest Rivers In The Philippines". WorldAtlas. Retrieved September 6, 2019.
  2. ^ Vicente B. Tuddao Jr. (September 21, 2011). "Water Quality Management in the Context of Basin Management: Water Quality, River Basin Management and Governance Dynamics in the Philippines" (PDF). Department of Environment and Natural Resources. Retrieved April 10, 2017.
  3. ^ Public Information Commission, Cordillera People’s Alliance (2001). Dams in the Cordillera: The River Systems of the Cordillera and their Watersheds (PDF). Archived from the original (PDF) on August 28, 2008 – via

External linksEdit

  Media related to Abra River at Wikimedia Commons