Biking the Neckar valley – huts and castles Posted on August 5, 2017 by Michael A trip around the Neckar valley looping from Sulz (Neckar) took me to Albeck castle ruins, to huts hidden in the black forest nature park, and the moated castle of Glatt Hütte im Schwarzwald, Neckar, Deutschland Wasserschloss Sulz, BW, Deutschland Burgruine Albeck, Sulz am Neckar, BW, Deutschland