Lake Danao is the smaller of the two lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

s located in Balinsasayao Twin Lakes Natural Park in the southern part of Negros Oriental

Negros Oriental

Negros Oriental is a province of the Philippines located in the Central Visayas region. It occupies the south-eastern half of the island of Negros, with Negros Occidental comprising the north-western half. It also includes Apo Island — a popular dive site for both local and foreign tourists...

, Philippines; the other being Lake Balinsasayao

Lake Balinsasayao

Lake Balinsasayao is one of two small but deep crater lakes rising above sea level located west of the town of Sibulan in the province of Negros Oriental, Philippines. It lies northwest of a narrow mountain ridge, situated in a caldera between four mountains, Mount Mahungot to the south, Mount...

. The lakes and its surrounding were designated as a protected area by Proclamation No. 414 on November 21, 2000 categorized as a Natural Park covering about 8016 hectares (19,807.9 acre). The lake itself has about 28 hectares (69.2 acre) surface area.

Flora and fauna

The lake supports a rich fish fauna, including a number of introduced species. The surrounding dipterocarp forest is rich in bird life.