The Arboretum is a hidden gem on the shores of Lake Washington. Jointly managed by the University of Washington Botanic Gardens and the City of Seattle, its 230 acres contain a dynamic assortment of plants, some found nowhere else in the Northwest. Take a walk through the Arboretum and discover this beautiful living collection. The Graham Visitors Center contains an information desk, and a gift shop managed by the Arboretum Foundation. The Japanese Garden, located at the south end of the Arboretum has an entrance fee and is managed by the City of Seattle. The Botanic Gardens is a unit within the School of Environmental & Forest Sciences.