Lake Apo Lake Apo Lake Apo is a crater lake in Barangay Guinoyoran in the city of Valencia in Bukidnon province in the Philippines. It is located in a hilly area about in elevation, about WSW of the city "poblacion" (town center). Lake Apo was awarded the cleanest inland body of water in Northern Mindanao Region (Region X) in the late 1990s. The green body of water has an estimated area of with maximum depths reaching up to . The name of the lake come from the bisaya term "apo", meaning elder or grandparent. According to legend, there was a man living
APO Hiking Society sang all of the APO Favorites and all songs from their past releases. On February 7, 2009, The Apo performed in the Open Air FTI Complex in Taguig. The free concert was sponsored in cooperation with the Taguig City hall. One month later, the Eraserheads had their Final Set Concert. On November 17, 2009, the Apo Hiking Society marked their 40th anniversary with a big concert at the SM North EDSA Skydome. It was called "APO Kayang-Kaya Pa". This was originally scheduled on September 26 but was rescheduled due to the Typhoon "Ondoy" ("Ketsana"). Last December 16, 2009, the APO