Lake Erie Arboretum is a young arboretum located within Frontier Park, at the intersection of 8th Street and Bayfront Parkway, Erie, Pennsylvania, USA. It is open daily without fee. The arboretum first began as an idea in 1997, with the first tree planted in 1998. By now it contains over 300 young trees representing some 225 tree varieties. New trees are still being added. Some of its tree specimens include Alder, Catalpa, Dogwood, Douglas-fir, Ginkgo, Hawthorn, Shagbark Hickory, Linden, Honey locust, Maple, Scarlet Oak, Russian Olive, Tulip-tree, Black Walnut, and Corkscrew Willow.