Mount Dulang-dulang Mount Dulang-dulang Mount Dulang-dulang, dubbed by Filipino mountaineers as "D2", is the highest elevation peak in the Kitanglad Mountain Range, located in the north central portion of the province of Bukidnon in the island of Mindanao. It is the second highest mountain of the Philippines at above sea level, second only to Mount Apo of Davao at and slightly higher than Mount Pulag of Luzon, the third highest at . The mountain is regarded by the Talaandig tribe of Lantapan as a sacred place. It is also within the ancestral domain of the tribe. Mount Dulang-dulang, similar to other peaks
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