~The FReeper Canteen Presents~ Road Trip: Pohakuloa Training Area, Hawaii Pohakuloa Training Area (PTA) is located on the island of Hawaii between Mauna Loa, Mauna Kea and the Hualalai Volcanic Mountains. It extends up the lower slopes of Mauna Kea to approximately 6,800 feet in elevation and to about 9,000 feet on Mauna Loa.