Who takes this ascent to the HWK passes many German positions of 1.WK. The "Adlerhorst" is one of the most exciting rock fortresses among them. Everything still there: steps! Rooms, …
On the heights of Thann, this 13th century castle offers a magnificent view of the city. Commonly called the Eye of the Witch, it owes this name to the remnant of the old dungeon which recalls this form.
The Langenstein is not far from the Gauchmatt rest area. In fact, it's not a menhir at all. But it is said that on a full moon in the moonlight, white women meet to dance.