Geologically interesting trail, because you actually find volcanic rock here (information board). In addition, an ascent to the Ravensberg starts here with nice surprises (Reinhardsbrunnen). Botanically, the climb is varied and leads through a particularly beautiful beech forest.
The Siebertal is really beautiful in this section, but I would extend my recommendation to the entire valley. Especially as a bicycle highlight, it has the advantage that the entire …