The ruins of the Große Harzburg are located above the spa town and the Radau valley, on the top of the Großer Burgberg hill at a height of . The summit can be reached by the Burgberg Cable Car and has an outstanding view past the neighbouring summit of Kleiner Burgberg () in the northwest over the northern Harz Foreland with the Harly hill range and far into the North German Plain. Southwards, the view goes over the densely forested mountains of the Harz National Park up to the Brocken massif.