Mount Malindang Mount Malindang and its adjoining mountain range is a catchment area which drains water through 49 rivers and streams, and numerous creeks. It provides potable water for domestic, agricultural and other uses to more than one million inhabitants of Misamis Occidental and the eastern parts of Zamboanga del Norte and Zamboanga del Sur. Declared as Association of Southeast Asian Nations (ASEAN) Heritage Park (AHP), during the 13th Informal ASEAN Ministerial Meeting on the Environment held October 13, 2011 in Cambodia. The three other Philippine AHPs are Mount Iglit-Baco National Park in Mindoro, Mount Kitanglad Range in Bukidnon, and Mount Apo
Mount Apo of ; with two peripheral areas of and as buffer zones, provided for its management and for other purposes. Although a declared a Natural Park, the current climbing trails are littered with rubbish by irresponsible climbers, opening paths for soil erosion across the already denuded mountain sides. Some mountain and social climbing groups conduct climbs after the Holy Week/Easter, the peak climbing season, to clean the affected areas. In 1987, the National Geographic Society based in Washington, DC in the United States, published a book entitled, ""Our World's Heritage"", where Mount Apo was noted as a 'site of Word Heritage