Challenge your stamina at Mount Kinabalu, the highest peak in Southeast Asia. This 4,095.2m mountain located in Kinabalu Park is rich in biodiversity and has four climate zones. The park has over 5,000 flowering plants, 100 species of mammals, and around 326 birds species. Climbing the summit of Mount Kinabalu takes about two to three days depending on a person's stamina and the weather. The Mount Kinabalu International Climbathon dubbed as the World Toughest Mountain Race is held annually at this challenging mountain route.