A varied tour without steep climbs | Special signposting in the national park | Beautiful trail at Oderteich | Viewpoint Achtermann only accessible on foot! | Many hikers! The route leads through the woods in the higher locations of the national park Harz. The Oderteich was until 1898 also the largest dam in Germany. It was designed as an energy carrier for the St. Andreasberg silver mines at the beginning of the 18th century.