Circle walking maze/tunnel pass

Lake Wilderness Arboretum (40 acres), known for a time as the South King County Arboretum, is an arboretum in Maple Valley, Washington.The arboretum is open daily without charge. It is located off the Lake Wilderness Trail.In addition to a focus on Northwest native plants, the Arboretum has one of the world's largest collections of the Western Azalea (Rhododendron occidentale), with over 200 selections of the species.