The Oregon Trail Arboretum is an arboretum east of the Echo School Athletic Field in Echo, Oregon. It was established in 1993, and now contains over 130 ornamental trees and shrubs. See also List of botanical gardens in the United States External links Image from the Oregon Trail Arboretum Guide to Community Arboretums in Oregon Arboreta in Oregon Protected areas of Umatilla County, Oregon 1993 establishments in Oregon Echo, Oregon