Burg Waldenfels, Medieval castle ruins in Malsch, Germany.

Burg Waldenfels is a castle ruin located on a mountain spur about 205 meters high near Malsch, rising above the surrounding forest. Archaeological work has revealed the remains of its original foundation walls and defensive structures from its time as a tower castle.

The castle was built around 1086 by Count Reginbodo I after losing his position in Ufgau, serving to encourage settlement and land cultivation in the region. In the 19th century, portions of its walls were dismantled to make room for church expansion in the nearby town.

Local folklore connects the site to the legend of Knight Beringer and his daughter Rosawina, though historical records do not confirm these figures existed. The stories show how the ruins remain alive in regional memory and imagination.

The site is accessible by foot via hiking trails that wind through the forest to the mountain spur, offering views of the surrounding area. Visitors should wear sturdy shoes and allow time to explore the ruins, as there are no buildings or covered structures on site.

The square keep (Bergfried) had sides of 12.5 m and foundation walls 2.60 m thick, while the ring wall was about 1.30 m thick and later widened to 1.7 m on the west. From 1826 much of the ruin was quarried away to enlarge the Church of St. Cyriak in Malsch.