Hawaii's Mauna KEA is the highest mountain in the state, standing at 13, 796 feet above sea level. It is a dormant volcano located on the Big Island of Hawaii and is part of the Hawaiian-Emperor seamount chain. Mauna LOA is the largest active volcano on Earth, located on the Big Island of Hawaii. It stands at 13, 678 feet above sea level and is part of the same Hawaiian-Emperor seamount chain as Mauna KEA. Mauna LEA is the second largest volcano on Earth, located on the Big Island of Hawaii. It stands at 4, 169 feet above sea level and is also part of the Hawaiian-Emperor seamount chain. All three of these volcanoes are considered sacred by the native Hawaiian people.