Apo Reef marine park opened for tourists to help generate funds for its protection as well as provide an alternative livelihood for hundreds of fishermen in the area. All people accessing Apo Reef need to pay an environmental fee. Apo Reef Apo Reef is a coral reef system in the Philippines situated on the western waters of Occidental Mindoro province in the Mindoro Strait. Encompassing , it is by no means the world's second-largest contiguous coral reef system, but is the largest in the country. The reef and its surrounding waters are protected areas in the country administered as the Apo Reef
Mount Apo Blue Lake" and Lake Venado, a well-known mountaineers camping site and a stopover towards the peak. Lake Macadac and Lake Jordan are found in the summit grassland. Rivers – Mt. Apo has 19 major rivers and 21 creeks draining its 8 major watersheds (PASAlist.1992). Out of the 19 major rivers, only two has studies as reported by SEA-BMB consultants for the Mt. Apo Geothermal Project Environmental Impact Assessment 1991. According to the report, there are two river ecosystems draining the geothermal site namely: (1) Marbel-Matingao river ecosystem- characterized by narrower river channels at highly elevated areas, much faster water flow,