Useful Information

Location: Beim Martbusch, 6552 Berdorf.
15 minutes walk from Camping Martbusch.
(49.825840, 6.338810)
Open: no restrictions.
Fee: free.
Classification: SpeleologyTectonic Cave, SpeleologyFracture Cave,
Light: bring torch
Guided tours: self guided
Photography: allowed
Accessibility: no
Address: Räuberhöhle, Beim Martbusch, L-6552 Berdorf, Tel: +352-7204-571. E-mail:
As far as we know this information was accurate when it was published (see years in brackets), but may have changed since then.
Please check rates and details directly with the companies in question if you need more recent info.



The Räuberhöhle or Raiberhiel (robbers cave) is a fracture cave created by the movement of the sandstone blocks on the marl basement. The rather soft marl is not a stable basement, as a result the blocks started to move downhill. The cracks widened forming straight, narrow clefts. The blocks tilted up the slope, forming the cave.

The cave is very popular and there is a walking trail which actually goes through the cave. The entrance is rather low, its necessary to stoop or even crawl to entre, inside its much higher. At the end is a long ladder and a staircase on which the cave is left.

This is one of numerous sites in the valley called Mullerthal (miller's valley), the valley of the Black Ernz river. The river cut through the thick Luxembourg sandstone layer on clayey marls, creating a sandstone escarpment on both sides. As a result of uplift, the sandstone was broken into blocks by thin and straight cracks. The result are various rock formations, separate sandstone towers, narrow gorges in the rocks cause by widening, and fracture caves. The sites are connected by various trails