Lake Balinsasayao

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Lake Balinsasayao
Lake Balinsasayao (42012955844).jpg
Lake Balinsasayao is located in Visayas
Lake Balinsasayao
Lake Balinsasayao
Location within the Philippines
Lake Balinsasayao is located in Philippines
Lake Balinsasayao
Lake Balinsasayao
Lake Balinsasayao (Philippines)
LocationNegros Oriental
Coordinates9°21′11″N 123°10′45″E / 9.35306°N 123.17917°E / 9.35306; 123.17917Coordinates: 9°21′11″N 123°10′45″E / 9.35306°N 123.17917°E / 9.35306; 123.17917
TypeCrater lake
Basin countriesPhilippines
Max. length1.5 kilometres (0.93 mi)[1]
Max. width1 kilometre (0.62 mi)[1]
Surface area76 hectares (190 acres)[1]
Max. depth90 feet (27 m)[1]
Surface elevation1,000 feet (300 m)

Lake Balinsasayao is one of three crater lakes rising 1,000 feet (300 m) above sea level located within the Balinsasayao Twin Lakes Natural Park, an 8,016.05-hectare (19,808.1-acre) protected area covering the municipalities of Valencia, Sibulan, and San Jose in the province of Negros Oriental, Philippines.[2]


The name of Lake Balinsasayao is the Spanish transcription of Cebuano balinsasayaw meaning "swiftlet." The name of its "twin", Lake Danao, is derived from Cebuano danaw meaning "lake."[3]


Lake Balinsasayao, Lake Danao, and Lake Kabalin-an are part of Balinsasayao Twin Lakes Natural Park, a protected area totaling 8,016 hectares (19,810 acres) created on 21 November 2000 by virtue of Proclamation No. 414 signed by former President Joseph Estrada. It lies within the municipalities of Valencia, Sibulan, and San Jose in the province of Negros Oriental.[2][4]


Lake Balinsasayao

The lakes are situated northwest of a narrow mountain ridge, in a caldera formed by four mountains: Mount Mahungot to the south, Mount Kalbasan to the north, Mount Balinsasayao to the east and Guintabon Dome to the west.[5] A normal fault separates Lakes Balinsasayao and Danao while and another fault, the Amlan, is about 1,400 metres (4,600 ft) west of Danao. Four geologic faults also intersect the southern edge of Lake Danao, whose water level is lower than that of Balinsasayao.[6]

Flora and fauna[edit]

As a protected natural park home to an expansive ecosystem and biodiversity, Balinsasayao Twin Lakes National Park is one of the major tourist attractions in Negros Oriental.[5] The lake has a rich fish fauna and the surrounding dipterocarp forests are rich in bird life. However, invasive fish species such as tilapia, common carp, mudfish, shrimp, mosquito fish and milkfish have been introduced in the lake.[7][8]


The Department of Environment and Natural Resources (DENR) through the Biodiversity Management Bureau (BMB) manages tourist activities in the natural park. The bureau allows, sightseeing, mountain trekking, camping, birdwatching, paddle boating in Lake Balinsasayao. The natural park has a concrete view deck, umbrella cottages, a restaurant, a souvenir shop, restrooms, and a visitor center.[9]


Conserving the natural park's flora and fauna is a continuing struggle as surrounding forests are exploited for timber and charcoal production. The uncontrolled cutting of timber by slash-and-burn farmers or kaingineros is reducing the inflow of water to the lakes and causing a fall in water levels. Also, since the lakes are situated near Energy Development Corporation (EDC)'s Southern Negros Geothermal Field in Valencia, the forest surrounding the lakes are under threat from constant geothermal drilling. A co-management plan for geothermal preservation has been drafted by the DENR-PENRO, EDC, and the local governments of Valencia and Sibulan.[10][11]

See also[edit]


  1. ^ a b c d Balilia, Winnievir (13 January 2009). "Lake Balinsasayao". Society of the Conservation of Philippine Wetlands. Retrieved 4 September 2015.
  2. ^ a b "Proclamation No. 414". Declaring Balinsasayao Twin Lakes located in the Municipalities of Valencia, Sibulan and San Jose, Province of Negros Oriental as a Protected Area pursuant to Republic Act No. 7586 (NIPAS Act Of 1992) and shall be known as Balinsasayao Twin Lakes Natural Park. The Official Gazette. 21 November 2000. Retrieved 4 September 2015.
  3. ^ Dela Cruz, Jared Jeric. "The Most Scenic Lakes in the Philippines". phmillennia. Retrieved 11 June 2021.
  4. ^ "Balinsasayao Twin Lakes NP". Protected Areas in Region 7. DENR-BMB. Archived from the original on 21 October 2013. Retrieved 4 September 2015.
  5. ^ a b "Negros Oriental: Twin Lakes of Balinsasayao". Archived from the original on 27 October 2012. Retrieved 4 September 2015.
  6. ^ "Negros warned of more landslides, floods; faults intersect twin lakes". 20 February 2012. Retrieved 4 September 2015.
  7. ^ Palaubsanon, Mitchelle (19 June 2012). "DENR-7: Alien species invade nat'l park in Negros Oriental". The Freeman. Retrieved 4 September 2015.
  8. ^ "DENR-7 identifies invasive alien species in NegOr's nat'l park". 20 June 2012. Retrieved 4 September 2015.
  9. ^ "Balinsasayao Twin Lakes NP". Ecotourism Sites in Region 7. DENR-BMB. Archived from the original on 23 September 2015. Retrieved 4 September 2015.
  10. ^ Gallarde, Juancho (25 September 2014). "Geothermal project of EDC outside of Mt Talinis: exec". Visayan Daily Star. Retrieved 4 September 2015.
  11. ^ Aranas, Maricar (24 June 2011). "New Balinsasayao mgm't pact urged". Visayan Daily Star. Retrieved 4 September 2015.

External links[edit]