APO Hiking Society and hero, Apolinario Mabini, and later shortened to "Apo", an Ilocano term for a wise man or a Tagalog term of grandchildren, and later re-branded to "APO" (all caps). Contrary to popular belief, the "Apo" name was not a reference to the Philippines's highest peak, the potentially-active stratovolcano Mount Apo. As the students advanced into college, Danny Javier joined the group. After graduation, the majority of its members left to pursue individual careers, with only three members remaining, made up of Jim Paredes, Boboy Garovillo and Danny Javier. In the span of their professional career, Apo emerged as a principal
Mount Apo expedition was led by Don Joaquin Rajal in October 10, 1880. Prior to the climb, Rajal had to secure the permission of the Bagobo chieftain, Datu Manig. It is said that the Datu demanded that human sacrifice be made to please the god Mandarangan. But the datu agreed to waive this demand, and the climb commenced on October 6, 1880, succeeding five days later. Since then, numerous expeditions followed. These and more are described in colorful narrations by Fr. Miguel Bernad, S.J. On May 9, 1936, Mount Apo was declared a national park by President Manuel L. Quezon. Mt. Apo