Cordillera Central (Luzon) Sierra Madre Mountains, the longest mountain range in the country, through the Caraballo Mountains in Nueva Vizcaya province. During Spanish colonial period, the whole range was called "Nueva Provincia", (New Province). The Cordillera Central is the highest mountain range in the Philippines. It comprises about 1/6 of the whole Luzon island with a total area of . The highest mountain in the range, Mount Pulag, is also the highest mountain on Luzon Island at . It is officially the third highest mountain in the country after Mount Dulang-dulang and Mount Apo on Mindanao Island, the second largest island of the
Mount Diatuto Mount Diatuto Mount Diatuto is a mountain in East Timor, a country occupying the eastern end of the island of Timor in the Lesser Sunda Islands of Wallacea. Mount Diatuto, at an elevation of 1770 m, is the highest point in an area of steep hills and ridges on the central spine of the island in the Manatuto District, about 42 km south-east of the national capital, Dili. The mountain is covered by, and surrounded with, a 345 km forested area on ultrabasic rocks, formerly known in Indonesian as "Hutan Querelau Lauberio". It is characterised by a somewhat stunted vegetation