[Photo: Jim Barrett] Battjes moved to Honolulu about 11 years ago, and launched Rainbow Helicopters with a single Robinson R44 and the “spirit of aloha” so vital to life in Hawaii.

Rainbow Falls doesn't require a long hike and can easily be a quick, 15-minute stop. Located at Wailuku River State Park and flanked by intricate banyan trees, the 80-foot Rainbow Falls is a ...