The Arboretum Nature Area is 34 acres within the University of Michigan's 123 acre Nichols Arboretum. Located between Geddes Rd. and the Huron River, there are entrances at Geddes Rd., Riverview Ct., Washington Heights, and the UM Medical Center lower lot (Lot M29) off Medical Center Dr. Parking is limited and often restricted at these entrances. The city owned portion is located on the west side of the Arboretum, near the Washington Heights entrance. The entire site is managed by the UM School of Natural Resources. Currently there are no restroom facilities at the Arboretum, although plans for an interpretative center will include them. There are many trails winding through the hills and fields of the Arboretum. All are unpaved, some are wider and some have rustic stairs. The Arboretum has a restored prairie, open mowed areas, and riverside access with good examples of wet loving plants. The other woodlands support oak, ash and walnut among other trees. There is also a very famous peony garden which offers visitors a beautiful stroll in the spring.