(including a large collection of arborvitae cultivars), and dozens of other plant groups. More than 100 of Wisconsin's native woody plants are represented in the collections. Viburnum Garden – more than 80 species and varieties of viburnums, and 110 species and varieties of arborvitae. Wisconsin Native Plant Garden (4 acres) – approximately 500 native Wisconsin plants, with demonstrations for home landscaping. Recreational use In addition to being a research facility, the Arboretum is also a leisure destination for local residents and tourists. It includes 20 miles of hiking trails, 3 miles of biking roads, 10 miles of ski/snowshoe routes. The Arboretum is open to the public daily without charge. See also List of botanical gardens and arboretums in Wisconsin References Further reading External links University of Wisconsin–Madison Arboretum Designing in the Prairie Spirit An online film about the Native Plant Garden at the U of Wisconsin Arboretum at Madison Arboreta in Wisconsin Arboretum Botanical gardens in Wisconsin Civilian Conservation Corps in Wisconsin Protected areas of Dane County, Wisconsin Tourist attractions in Madison, Wisconsin 1932 establishments in Wisconsin National Register of Historic Places in Dane County, Wisconsin National Historic Landmarks in Wisconsin