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 Augusta Mount Augusta Mount Augusta, also designated Boundary Peak 183, is a high peak of the Saint Elias Mountains on the border between the U.S. state of Alaska and the Canadian territory of Yukon. Mount Augusta lies about south of Mount Logan and 25 km east of Mount Saint Elias, respectively the first and second highest mountains in Canada. It forms the eastern end of the long ridge of which Mount Saint Elias is the center and highest point. The Seward Glacier starts to the north of the peak, separating it from Mount Logan, and then flows around the east side