The Papenkaule (also Papenkaul in the local dialect) is a dry crater of a volcano that was active about 10,000 years ago. It lies north of Gerolstein in...

Märchen (south of the Pulvermaar), volcanic pipe which has become a maar Papenkaule, a volcanic crater, and the associated eruption site of the Hagelskaule...

Steffeln Station 32 Mühlstein Caves in the Rother Kopf (Eis) Station 33 Papenkaule and Hagelskaule near Gerolstein Station 34 Stone runs, Hundsbach valley...

things to see in and around Gerolstein include the dried-up maar called Papenkaule; the Buchenloch, a 36-metre-long karst cave that served as a dwelling...