Mount Kinabalu (Malay: Gunung Kinabalu) is a prominent mountain on the island of Borneo in Southeast Asia. It is located in the east Malaysian state of Sabah and is protected as Kinabalu National Park, a World Heritage Site. Kinabalu is the tallest peak in Borneo's Crocker Range and is the 4th tallest mountain in the Malay Archipelago after Indonesian Papua's Puncak Jaya, Puncak Trikora and Puncak Mandala.