Area               : 27,493.49 sq. km.
Region           : CAR, II, III
Provinces      : Cagayan, Apayao, Kalinga, Mountain Province, Ifugao, Isabela, Nueva Vizcaya, Quirino, Aurora
Towns/Cities : 122
Barangays      : 2,459
Outlet             : Babuyan Channel
Est. Pop’n       : 3.5 M (2007)
RBO                 : Cagayan River Basin Management Council
RDC Reso.       : RDC Resolution No. 02-04-2 (s. 2012)
Forestland       : 3,862.45 sq. km.
A&D                  : 19,147.77 sq. km.
NGP Area         : 893.45 sq. km. (as of October, 2015)


"An ecologically balanced Cagayan River Basin with biodiversity-rich resources owned and sustainably managed by empowered stakeholders enjoying fullness of life."


"Improve quality of life through optimal development and sustainable use of Cagayan River Basin resources through an Integrated River Basin Management (IRBM) approach with the participation of all stakeholders.”


“Manage water and related resources of the Cagayan River Basin in an effective, sustainable and equitable manner.”


Implement basin-wide Integrated Water Resource Management (IWRM) approaches in regional, local and related sector frameworks and development programs for sustainable and equitable development.

  1. Upper Chico Watershed
  2. Lower Chico Watershed
  3. Zinundangan Watershed
  4. Dummun Watershed
  5. Mallig Watershed
  6. Baggao Watershed
  7. Pinacanauan de San Pablo Cabagan Watershed
  8. Pinacanauan de Tumauinin Watershed
  9. Magat Watershed
  10. Pinacanauan de Tuguegarao Watershed
  1. Magapit Protected Landscape
  2. Penablanca Protected Landscape
  3. Tumauini Watershed Forest Reserve
  4. Fuyot Spring National Park
  5. Palanan National Park
  1. Pinacanauan de Tuguegarao
  2. Calao-Deliquente-Diadi

  • Potential Irrigable Area: 570, 000 ha
  • Groundwater Reserve: 47,895 MCM
  • Runoff: 1,343.2 m³/s Municipal, Industrial, Livestock, Fishery: 11,560 has

  • Rice : 472,500 has.
  • Corn : 137,300 has.
  • Other Crops : 66,600 has.

  • Existing Magat Dam : 5.4 MW
  • Casecnan trans-basin tunnel : 160 MW

  • Flora : 298 species;
  • Fauna : 835 species Luzon bleeding heart pigeon, Philippine Eagle; Ludong (Cestraeus plicatilis) Sierra Madre Mountains and parts of Cordillera Mountains

  1. Non-sustainable resource extraction
  2. Reduces water quantity and quality
  3. Depletion of biodiversity
  4. Institutional dysfunction

  1. Institutional Framework Management
    1. Creation of RBO
    2. IEC/Advocacy
  2. Watershed Management
    1. Formulation/implementation of policies
    2. Promote shared watershed culture
    3. Watershed rehabilitation
    4. Forest protection/reforestation
    5. Recognition of indigenous practices
    6. Enhancement of water related laws/policies
    7. Introduction of appropriate farming practices
  3. Water Resources Management
    1. Enhancement of water related laws/policies
    2. Enforcement of water use regulation
  4. Climate Change and Disaster Risk Reduction Management
    1. River bank stabilization thru structural and non-structural measures
    2. Development of comprehensive flood control system
    3. Climate change mitigation and adaptation measures
    4. Enhancement of disaster management plans
    5. Upgrading of weather facilities
  5. Marine and Freshwater Resources Management
    1. Improve/enhance carrying capacity of water channel
    2. Reduce siltation and sedimentation
    3. Proper waste management practices

River Basin Organization

  • Harmonize the activities of all local government units and government agencies irrespective of their mandates as well as the efforts of civil society groups to undertake Integrated River Basin Management and Integrated Water Resource Management;
  • Facilitate or cause the collection, processing and dissemination of data including maps on land and water resources as quantitative inputs to decision support systems that the body may utilize for decision-making on water resources and river basin programs and projects;
  • Promote broader multi-stakeholder participation and involvement in water resources and river basins through proper mechanism to improve governance;
  • Initiate the review of water resource and river basin management policies and recommend appropriate amendments for consideration and possible adoption by the concerned agencies and appropriate bodies;
  • Lead in the sourcing and mobilization of financial assistance from external sources (international and local) for the implementation of PPAs; and
  • Create committees/sub-Committees and/or technical working groups as may be necessary to discharge its functions effectively.