Caraballo Mountains

The Caraballo Mountains is a mountain range in the middle part of Luzon island in the Philippines, between the Cordillera Central and Sierra Madre mountain ranges. The mountains are the location of the start of the Cagayan River, the longest in the country.
Several parts of the mountain range are protected under the National Integrated Protected Areas System, and the Casecnan Protected Landscape and the Pantabangan–Carranglan Watershed Forest Reserve.