The Aschentalshalbe lies in the Upper Harz within the Harz Nature Park about 2 km southeast of Sieber, a village northeast of Herzberg am Harz. It rises between the Gropenbornskopf to the north, the Koboltstaler Köpfe to the northeast with their outlier, the Gödeckenkopf, to the east, the Schadenbeeksköpfe to the southeast, the Übelsberg to the south, the Großer Knollen to the south-southwest, the Pagelsburg to the southwest, the Adlersberg to the west and the Breitentalskopf to the northwest.