Perak has a total land area of , and is situated in the west of the Malay Peninsula on the Strait of Malacca. Its exclusive economic zone (EEZ) extends into the Strait. It is the second largest Malaysian state on the Malay Peninsula, and the fourth largest in Malaysia. The state has of coastline, of which are affected by coastal erosion. Mangrove forests grow along most of Perak's coast, with the exception of Pangkor Island, with its rich flora and fauna, where several of the country's forest reserves are located. There is extensive swampland along the coastal alluvial zones of the west coast between central Perak and southern Selangor. Perak has an overall total forest cover of , including of forest lands, of mangroves, and another of forest plantations. A total of of forest has been gazetted by the state government as forest reserve, scattered across 68 areas throughout the state. Perak's geology is characterised by eruptive masses, which form its hills and mountain ranges. The state is divided by three mountain chains into the three plains of Kinta, Larut and Perak, running parallel to the coast. The Titiwangsa Range passes through Perak. Its highest point, the Mount Korbu, is located in the district of Kinta near the border with the state of Kelantan. Alluvium covers much of the plains, with detached masses of sedimentary rock appearing at rare intervals.