The densely wooded Haferberg, which is the highest hill in the Münden Nature Park, is located on the border of north Hesse (Werra-Meißner district) and south Lower Saxony (Göttingen district), 1.25 km northwest of the pass of Umschwang, around 4.5 km east of Nieste and just under 4 km (all distances as the crow flies) west of Kleinalmerode.