Balinsasayao Twin Lakes Natural Park

Balinsasayao Twin Lakes Natural Park was proclaimed by former Presedent Joseph Ejercito Estrada as a Natural Park by virtue of Presedential Proclamation No. 414 pursuant to RA 7585 on November 21, 2000. Established as Protected Area pursuant to R.A. No. 11038 ("Expanded National Integrated Area Systems (ENIPAS") Act of June 22, 2018. The park covers approximately 8,016 hectares of public domain comprising the municipalities of Sibulan, San Jose and Valencia all of Negros Oriental Province.

The park is generally rolling to mountainous with dominant slopes from 18% to 50% with an elevation ranging from 297 to 1,763 meters above sea level (masl)

The prominent features of the park are the twin lakes Balinsasayao and Danao, the two
freshwater lakes that are surrounded by lush forests. Two mountains lie in the
vicinity of these two lakes, Mt. Guintabon, with an elevation of 1,241 masl.
approximately less than 1-kilometer northeast of the lakes, and Mt.
Guinsayawan, with an elevation of 1,788 masl. that is approximately 4
kilometers to the south. It was among the legislated PAs in June 2018 by the Republic Act
11038. 

 The park is rich in biodiversity and is considered the
only closed-canopy natural forest in the Island of Negros. It is the habitat
for several species of endangered plants and animals. Its flora encompasses 237
species and its fauna includes 209 birds, 27 mammalians, and 49 herpetofauna
species.

The park is also a watershed, providing water to the
municipalities of Sibulan, San Jose, Amlan, Pamplona, and the cities of Tanjay
and Dumaguete with an estimated combined population of 500,000. Three
municipalities and four barangays have tapped its abundant potable water and
installed their tanks at the foot of Mt. Guintabon in Brgy. Enrique Villanueva,
Sibulan.