Manuka State Wayside Park
Appearance
The Manuka State Wayside Park (13.4 acres) is state park with arboretum located approximately 19 miles west of Na'alehu, on the Mamalahoa Highway (Route 11), Hawaii (island), Hawaii.
The arboretum (8 acres) was originally planted in the mid 1800s with native and introduced plants. It now contains 48 species of native Hawaiian plants and more than 130 species of other exotic plants and flowers, and is surrounded by the South Kona Forest Reserve.