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 Roraima Mount Roraima Mount Roraima ( , "Tepuy Roraima" and "Cerro Roraima";) is the highest of the Pakaraima chain of tepui plateaus in South America. First described by the English explorer Sir Walter Raleigh during his 1595 expedition, its summit area is bounded on all sides by cliffs rising . The mountain also serves as the tripoint of Venezuela, Guyana and Brazil. Mount Roraima lies on the Guiana Shield in the southeastern corner of Venezuela's Canaima National Park forming the highest peak of Guyana's Highland Range. The highest point in Guyana and the highest point of the Brazilian state of Roraima