Karlsburg

Karlsburg is a castle ruin whose remains lie scattered throughout Kammerbusch forest between Langerwehe and Heistern. Visible here are foundation traces and wall segments that suggest the medieval layout of the fortification.

The castle was built in medieval times as a defensive fortification to control the region and served as an important strongpoint for centuries. It was eventually abandoned and gradually fell into the ruined state visible today.

The ruins reveal traces of medieval military building techniques that once protected regional borders in this area. You can see from the remaining foundations how the structure was originally designed.

The ruins are freely accessible at any time without entrance fees, and parking is available near the forest entrance. Since the site lies in the middle of woodland, sturdy footwear and weather-appropriate clothing are recommended depending on the season.

The ruin sits at an elevated position overlooking the Schönthal valley, offering views across the surrounding landscape. This location makes clear why it was once chosen as an observation post.

Location: Langerwehe

GPS coordinates: 50.80460,6.34486

Latest update: December 9, 2025 20:20