The Harold L. Lyon Arboretum is a 200-acre arboretum and botanical garden managed by the University of Hawaiʻi at Mānoa located at the upper end of Mānoa Valley in Hawaiʻi.
Much of the Arboretum's botanical collection consists of an artificial lowland tropical rainforest with numerous trails and small water features.
Wikipedia https://en.wikipedia.org/wiki/Lyon_Arboretum
Official Website http://www.hawaii.edu/lyonarboretum/
Address Honolulu 96822, United States
Coordinates 21°20'0.173" N -157°48'12.194" E