The crossword solution for the term LOA, HAWAII is MAUNA, which is a five-letter word. Mauna is the Hawaiian name for a mountain or mountain range. It is also the name of the highest mountain in Hawaii, Mauna Kea, which stands at 13, 796 feet above sea level. Mauna LOA is the world's largest active volcano and is located on the Big Island of Hawaii. It is one of five volcanoes that form the island of Hawaii.