Centennial Arboretum (27 acres) is an arboretum located at the Horticulture Center, Fairmount Park, at the southeast corner of Belmont and Montgomery Drives, Philadelphia, Pennsylvania. It is open daily without charge.
The arboretum contains specimen trees and shrubs from Asia, Europe, and North America. Many were planted in 1876 for the American Centennial Exposition. Nearby is a 13th century-style Japanese House and Garden brought to Philadelphia in 1956.