Lake Mainit Biodiversity Partnerships Project

Site for the Lake Mainit Key Biodiversity Area

Lake Mainit


Lake Mainit @ San RoqueLake Mainit is the fourth largest lake in the country; It has a total area of about 17,060 hectares and its lakeshore has total length of 62.10 kilometers. The lake is divided almost equally between the provinces of Agusan and Surigao del Norte. It is most known for its rich fish resources. There are 31 barangays in the municipalities of Mainit, Alegria, Kitcharao & Jabonga.
Lake Mainit is reported to be the habitat of rare fish species; the puyo or perch and gabot. These species have become rare due to the introduction of new fish species. Habitats of other rare and threatened wildlife put the lake and its surrounding area of high ecological value. The lake is undeniably very scenic. Its water has remained generally clear and clean. There are various points around it that could be potential tourist attractions. Thus, in the Caraga Tourism Master Plan, the lake area is defined as tourism subzone, mainly for adventure tourism and ecotourism.

Lake Mainit is

  • 4th Largest Lake in the Philippines
  • It has a total area of about 17,060 hectares (BFAR)
  • Lakeshore has a total length of 62.10 kilometers.
  • It has a total of 31 lakeshore barangays.
  • Divided almost equally between Agusan del Norte and Surigao del Norte.
  • It falls within the jurisdiction of municipality of Mainit, Alegria, Kitcharao and Jabonga.
  • It can be classified as oligotrophic (nutrient poor-oxygen rich) lake from the physico-chemical (Limnological Study)
  • It’s water is classified as Class A by the EMB
  • Surface temperature range between 27.00˚C -30.66˚C.
Legend of Lake Mainit Physical Feature of the Lake
Socio-Economic Profile of Lake Tourist Destination
Map and Location How Mainit got its name?


Fishes in Lake MainitFishes in Lake Mainit

Plants in Lake MainitPlants in Lake Mainit

Fishermen catchFisherfloks

Mollusk and Crustacean in Lake MainitCrustaceans/ Mollusks




Lake Mainit


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