The Großer Burgberg is a ca. 483 m high hill on the northern rim of the Harz mountains range, right on the edge of Bad Harzburg in Lower Saxony.
Wikipedia https://en.wikipedia.org/wiki/Großer_Burgberg
Address 1 Burgberg, 38667, Germany
Coordinates 51°52'17.396" N 10°34'2.666" E