Negros Oriental Province's
Mt. Talinis
a.k.a.  Cuernos de Negros  
[Horns of Black]  Mountains
Dominant peaks & slopes of the South
Mt. Talinis, a.k.a. the Cuernos de Negros  [Horns of Dark]  Mountains,
WSW of Dumagete, shot from their SE (about Dauin) in February 2011.  
The summit is 1904 meters high, second-loftiest on this island.    
Wiki Page.
It's an active volcano, with its energy being tapped for geothermal electricity.
seen from the southwest coast of Siquijor Island
The crater-lake that few ever see...