Best cave trails in Hermaringen

Extension to the long-distance hiking trail "Lonetal-Wanderweg", Baden-Wuerttemberg. The Lone Valley hiking trail is actually a point-to-point trail. However, thanks to two additional stages, this can be expanded into a loop. The first of these additional stages leads from Hermaringen to Heldenfingen. At the starting point, you follow the signs with a lying red Y to the ruins of Guessenburg, from where you can go to the edge of the Kagberg forest without any signs. In Huerben you come...