Blankenburg is a town and health resort in the district of Harz in Saxony-Anhalt, Germany, at the north foot of the Harz Mountains, 12 miles s…Blankenburg is a town and health resort in the district of Harz in Saxony-Anhalt, Germany, at the north foot of the Harz Mountains, 12 miles southwest of Halberstadt. It has been largely rebuilt since an 1836 fire, and possesses a castle with various collections, a museum of antiquities, an old town hall and churches. There are pine-needle baths and a psychiatric hospital. The nearby ridge of rocks called the Teufelsmauer offers views across the plain and into the deep gorges of the Harz.