Located in both the Village of Saukville and the Town of Grafton, Kurtz Woods State Natural Area is 45 acres. This preserve contains more than 82 species of trees and spring ephemerals including sugar maple, American beech, white ash, basswood and black cherry. The preserve has an assortment of spring wildflowers shares the forest floor with shrubs and young trees. These include hepatica, bloodroot, wild leek and the aptly named spring beauty. Kurtz Woods is designated as a State Natural Area because of this diversity and the intact forest’s quality. The terrain of Kurtz Woods is lightly rolling because a sandy moraine runs through it. Kettle depressions and glacial boulders can be seen throughout the preserve. There is evidence of logging from the 1930s because of pole-size trees along the southeast boundary and, additionally, an old granite quarry along the western boundary are the only reminders of earlier land use and the last signs of human disturbance. Visit this preserve to hike or bird watch.