Anyone who wants to learn more about tuff can easily find out about this rock and its uses in the 'Weiberner Schaufenster' ('Weibern Shop Window').
A volcano erupts. Hot drops of lava are thrown out of the vent and fall onto other fragments of lava which have been spewed out during earlier eruptions.
The Infozentrum Rauschermühle, which lies between the villages of Plaidt and Saffig, is your first port of call not only for planning your journey, but also for finding out the key facts about volcanic activity and 7,000 years of rock extraction in the area.
There is a unique world of discovery waiting for you in the Lava Dome and the Lavakeller (Lava Cellars) in Mendig. This is where you can learn all about volcanicity in the East Eifel. Children especially, but adults too, can experience volcanic activity with all their senses in Mendig, a small town in the Eifel.
Clay and sand particles float around gently and settle on top of each other in layers on the seabed. But this tranquillity comes to an abrupt end.
If you walk a little way further up, you will see a geological feature which is a major exception in the Volcanic Eifel.