Lyon Arboretum

A ⁠‌​​‌​​‌​‌‌‌‌‌​​‌‌​​​​​‌​​​‌‌​‌​‌⁠University of Hawaii botanical garden and research arboretum at the top of Manoa Valley, set in rain forest with trails through tropical plant collections. It holds community classes, plant sales, volunteer days and guided hikes.