The main hiking path 4 ("Hauptwanderweg 4", short HW 4) leads from Würzburg am Main to Friedrichshafen at Lake Constance and traverses different landscapes of eastern Baden-Württemberg. Numerous cultural and scenic attractions are located along the 409 km path. Every region offers a unique charm and character.

"Far away from everyday life, on the lonely tracks of the shepherds, time has a completely different dimension. Hike in a round tour of almost 160 kilometers through the Heidenheim Brenz region in the north-east of the Swabian Jura. Lonetal, Eselsburger Tal and Wental, the meteor crater in Steinheim, the Albuch and the Härtsfeld - each part of the landscape has its own special charm." (https://www.albschaeferweg.de/)