Ulmen

Created by

Claudia LB

Visited on Jul 2023

Ulmen is a City in Rhenania-Palatina. It is famous for it's maar and a Tunnel (Ulmener Stollen). The tunnel connects the maar Jungfernweiher and the Ulmener Maar. It's a way in a cave throughout a volcano. The length is 120 meters. The width of the passage is at it's most narrow place only 70 centimeters.