 The Cordillera mountain range, which feature the island's north-central section, is covered in a mixture of tropical pine forests and montane rainforests, and is the site of the island's highest mountain, Mount Pulag, rising at 2,922 metres.The range provides the upland headwaters of the Agno River, which stretches from the slopes of Mount Data, and meanders along the southern Cordillera mountains before reaching the plains of Pangasinan.The northeastern section of Luzon is generally mountainous, with the Sierra Madre, the longest mountain range in the country, abruptly rising a few miles from the coastline.