# Andanan River > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Andanan_River > Markdown URL: https://mediated.wiki/source/Andanan_River.md > Source: https://en.wikipedia.org/wiki/Andanan_River > Source revision: 1286208919 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) The **Andanan River** (Tagalog: *Ilog Andanan*; Cebuano: *Suba sa Andanan*) is a stream located in [Sibagat, Agusan del Sur](/source/Sibagat,_Agusan_del_Sur) and [Bayugan](/source/Bayugan), [Caraga Region](/source/Caraga_Region),[1] [Philippines](/source/Philippines). It is a [tributary](/source/Tributary) of the larger [Wawa River](/source/Wawa_River_(Agusan_del_Sur)). ## Geography The Andanan River is situated approximately 8.85089, 125.814 on the island of [Mindanao](/source/Mindanao).[2] The Andanan River [headwaters](/source/Headwater) from the [Diwata Mountain Range](/source/Diwata_Mountain_Range) of [Sibagat, Agusan del Sur](/source/Sibagat). It traverses along Barangay New Tubigon in [Sibagat](/source/Sibagat) and the riverbank barangays of [Bayugan](/source/Bayugan) namely: San Juan, Berseba, Santo Niño, Calaitan, Santa Irene and Noli where its [mouth](/source/River_mouth) is located in Barangay Maygatasan joins with the larger [Wawa River](/source/Wawa_River_(Agusan_del_Sur)). The Wawa River is one of the larger and longer rivers in the province of [Agusan del Sur](/source/Agusan_del_Sur) and a tributary river to the [Agusan River](/source/Agusan_River).[3] ## Crossings There are two permanent [bridges](/source/Bridges) that cross the Andanan River: - Andanan Bridge *(1)* – Barangay Maygatasan, [Bayugan](/source/Bayugan) along the [Pan-Philippine Highway](/source/Pan-Philippine_Highway) [Butuan](/source/Butuan)-[Davao](/source/Davao_City) Road - Andanan Bridge *(2)* – Barangay New Tubigon, [Sibagat, Agusan del Sur](/source/Sibagat) along the [Butuan](/source/Butuan)-[Tandag](/source/Tandag) Road that serves as road boundary connecting Barangay New Tubigon of [Sibagat](/source/Sibagat) and Barangay San Juan of [Bayugan](/source/Bayugan). ## Watershed The Andanan River and its surrounding areas was declared as a nature reserve called the Andanan Watershed Forest Reserve (AWFR) proclaimed by virtue of [Philippine](/source/Philippine) Presidential Proclamation No. 734 dated May 29, 1991, with an area of 15,097 hectares comprises with eight (8) barangays namely; Sta. Irene, Calaitan, Berseba, Sto. Niño, Mt. Carmel, Mt. Ararat, San Juan all of [Bayugan](/source/Bayugan) and Barangay New Tubigon in [Sibagat, Agusan del Sur](/source/Sibagat,_Agusan_del_Sur).[4][5] The areas of the Andanan River is being proposed as Andanan Natural Park under the National Integrated Protected Areas System (NIPAS). This protected area has its own biological features of fauna and flora dipterocarp and premium species. Ecotourism sites like caves, waterfalls, lakes and unique rock formations are the mere features for tourist destination.[4] The area covered by the proclamation is under the administrative jurisdiction, supervision and control of the [Philippines](/source/Philippines) [Department of Environment and Natural Resources](/source/Department_of_Environment_and_Natural_Resources) through its [Forest management](/source/Forest_management) Bureau in coordination with other government agencies with the objective of maintaining its usefulness as a source of water for domestic, agriculture, power generation and other forestry purposes.[5] the Andanan River Watershed supports potable drinking water and irrigation for [Bayugan](/source/Bayugan), [Sibagat](/source/Sibagat), and other areas of [Agusan del Sur](/source/Agusan_del_Sur).[6] ## See also - [Agusan River](/source/Agusan_River) - [Wawa River (Agusan del Sur)](/source/Wawa_River_(Agusan_del_Sur)) - [Sibagat River](/source/Sibagat_River) - [Sibagat, Agusan del Sur](/source/Sibagat,_Agusan_del_Sur) - [Bayugan](/source/Bayugan) - [Agusan del Sur Province](/source/Agusan_del_Sur_Province) - [List of rivers of the Philippines](/source/List_of_rivers_of_the_Philippines) ## References 1. ["Region 13, List of Waterbodies | Water Quality Management Section"](http://water.emb.gov.ph/?page_id=801). Retrieved April 17, 2021. 1. ["GeoHack - Andanan River"](https://geohack.toolforge.org/geohack.php?language=ceb&pagename=Andanan_River¶ms=8.85089_N_125.814_E_type:river_region:). *geohack.toolforge.org*. Retrieved April 17, 2021. 1. ["The Mighty Rivers of Agusan | Len Joson"](https://lenjoson.com/the-mighty-rivers-of-agusan/). Retrieved April 17, 2021. 1. ["Andanan Natural Park"](http://mindanaopamb.buksu.edu.ph/pamb/specific/44). *mindanaopamb.buksu.edu.ph*. Retrieved April 17, 2021. 1. ["Proclamation No. 734, s. 1991 | GOVPH"](https://www.officialgazette.gov.ph/1991/05/29/proclamation-no-734-s-1991/). *[Official Gazette of the Republic of the Philippines](/source/Official_Gazette_of_the_Republic_of_the_Philippines)*. Retrieved April 17, 2021. 1. Fernandez - Gamalinda, Eve & Solania, Chennie (September 20, 2018). ["Species composition and habitat association of anurans within water systems of Andanan Watershed, Agusan del Sur, Caraga Region, Philippines"](https://www.researchgate.net/publication/328191690_Species_composition_and_habitat_association_of_anurans_within_water_systems_of_Andanan_Watershed_Agusan_del_Sur_Caraga_Region_Philippines). *Environmental and Experimental Biology*. **16**: 159–168. [doi:10.22364/eeb.16.15](https://doi.org/10.22364/eeb.16.15) --- Adapted from the Wikipedia article [Andanan River](https://en.wikipedia.org/wiki/Andanan_River) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Andanan_River?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.