Most of the trees in the area were replanted during the early 20th century. Although native species can be found at the highpoint of the trail. The remnants of a military airplane that crashed onto the area in 1993 can also be seen from the trail. The site provides a map for the Aiea Loop Trail. Several varieties of trees and other vegetation are enjoyed by visitors who make the trek. Fees, hours, and facilities Heiau State Recreation Area is free to the public. April 1 to Labor Day: 7 am to 7:45 pm After Labor Day to March 31: 7 am to 6:45 pm The camping and picnic areas accommodate up to 100 people and come equipped with restrooms and showers. Advance permits must be obtained for camping. Gallery KEAIWA HEIAU A temple with life giving powers believed to be a center where the Hawaiian kahuna lapaau or herb doctor practiced the art of healing. Herbs grown in nearby gardens were compounded and prescribed with prayer—Commission on Historical Sites See also Oahu Aiea, Hawaii List of Hawaii state parks Kahuna References External links Aiea, Hawaii Heiau State parks of Hawaii Geography of Honolulu Tourist attractions in Honolulu Protected areas of Oahu Native Hawaiian culture in Honolulu