Mount Apo Mount Apo Mount Apo () and () is a large solfataric, potentially active stratovolcano on the island of Mindanao, Philippines. With an elevation of above sea level, it is the highest mountain in the Philippine Archipelago and is located between Davao City and Davao del Sur province in Region XI and Cotabato province in Region XII. The peak overlooks Davao City to the northeast, Digos City to the southeast, and Kidapawan City to the west. The first two attempts to reach Mt. Apo’s summit ended in failure: that of Jose Oyanguren (1852) and Señor Real (1870). The first recorded successful
Lake Apo in the mountains who assaulted his granddaughter and was punished by the mountain deities for his disrespectful act by flooding the area forming the Lake Apo. The lake is a crater lake, a basin formed on an old volcanic cone that was later filled with water. It was erroneously reported as a circular rift lake, as this area is not a rift zone but a volcanic area evident by the presence of nearby volcanic peaks like Musuan Peak ( to the E), Mount Kalatungan ( to the NW), Mount Dagumbaan ( to the SW), Mount Kidongin ( to the SW),