The Kluterthöhle was created by leaching from a falling to the north, about 12.5 m thick layer of reef limestone, which was formed about 370 million years ago in the …
The coal mine United Eulalia is a former coal mine in Wetter. The mine was first mentioned in 1855 and was until 1922 with several interruptions and a renaming in …
Only a very small tunnel that is looked after and secured by a voluntary association. If you are interested, just click on Bergbauhistorie.Ruhr, there …
The cave entrance can be found by turning right shortly before the motorway underpass on a small "Trampelpfad". Follow this one more and more (about 30 m) to the fence …