In the northern part of Bavaria, there is a area called Fränkischen Schweiz. From the road to Weihersmühle, which is in the north of the little community Kleinziegenfeld, a very steep trail leads to the Götzenberg Durchgangshöhle. There is a robe at the steepest part, to help you to get up there.
It's dimensions: Span: 2,8 m; Height: 1,6 m.
UTM Coordinates: 32U 657610 5544382