The ruined castle of Güntersburg stands about 2 km southwest of Güntersberge in the Harz Mountains of central Germany. The ruins are located on the 485 m Hoher Kohlberg hill in the Selke valley. The castle site is very large and has an area of about . It was probably a fortified settlement with a medieval castle. To the northwest the site was protected by a rampart and a 150 m long ditch, whose scale can still be easily made out today. To the southeast the site is bounded by the hillside that falls steeply into the Selke valley.