The freely accessible trass caves in Brohltal are located below Bad Tönisstein on the Brohltalstraße (Bundesstraße 412) at the height of the inn "Jägerheim". Near the caves there is parking for cars. The cave and Schluchtensteig Kell, a circular walk, leads past the Trasshöhlen.
June 13, 2017
"The sky in the Brohltal darkened when the Laacher Lake volcano erupted only five kilometers away, and a glowing mixture of lava particles and gases spewed into the atmosphere at intervals, each time the eruptive pillar collapsed, the material raged Ashes and lava particles filled the valleys up to 60 meters high, and the once loose materials of the glut avalanche have, over time, become a rock known as "trass" in our region, which was already built by the Romans In the Brohltal Trass, they used it, among other things, to build a house, adding finely ground lime and water to a mortar that hardens even under water, and it seems likely that it was Dutch people who exploited it in the Brohltal valley since the 16th century Trass is ideal for building dikes and docks, and it was they who gave the name to the volcanic cement: "Tyrass" is Dutch It's called "glue." The walls you see from here are hollowed out and can be visited. Because of their poorer quality, they were no longer interesting for the mining and are today an impressive testimony of the huge glut avalanche that once filled the whole valley. "
October 14, 2019
The "Schluchtensteig Kell" is highly recommended, as this part of the Eiffel is even quieter than others. The beauty of the cave is also that loose sand is at the bottom, which can dampen the impact in falls
Also, there are not many caves on the Rhine, which are so freely accessible
December 30, 2017
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