Mount Balatukan Mount Balatukan Mount Balatukan is a massive compound stratovolcano in the northern island of Mindanao, Philippines. It is the highest point in the province of Misamis Oriental. The volcano has no historical eruptions but displays fumarolic activity. The mountain is topped by a triangular shaped caldera long and at its widest. The Balatocan River emanates from and drains the huge crater. The mountain is a protected area in the country classified as a Natural Park, the Mount Balatukan Range Natural Park. The park has an area of with a buffer zone of . It was created on March 6, 2007
Apo Reef protection and conservation work at the park, stays in the protected area on weekly shifts. The largest is Apo Island at with mangroves and beach vegetation. The reef surrounding the island extends to in places. Outside the lagoonal mangroves in the eastern and southern sides of Apo Island, the soil is sandy-to-sandy loam that is less in silt and clay particles. On the other hand, the lagoonal mangroves have a sandy loam to clay loam soil, underlain by decomposed plant residues or coarse materials. Apo Island is separated from Apo Reef by a narrow, deep channel. The island is about