At the Talmühle a sign warned that the "Höll" in the river valley was completely blocked and the diversion very exhausting. Alternatively, the weaker climb to Altann was recommended, which we did. From there then over the height to Wolfegg, even if a small piece of driving back means. Whether the hell really is still locked, we could not verify in August 2018. However, we saw a rise from the valley with 20%!