Best cave trails in Hillesheim

This route is stage 9 of the Eifelsteig, a long-distance trail through North Rhine-Westphalia and Rhineland-Palatinate. This specific section starts on the historic town walls of Hillesheim and ends in Gerolstein. The path leads through the Bolsdorfer Tälchen valley up to the Rother Kopf volcano, where ancient millstone caves and a lava quarry can be explored. Hikers traverse the Gerolstein Dolomites—a fossilized coral reef—passing the Buchenloch cave and the Papenkaule dry crater before...