Burg Wildenburg, Medieval fortress in Hellenthal, Germany

Burg Wildenburg is a medieval castle perched on a hillside near Hellenthal with sturdy stone walls and multiple defensive towers. The complex includes residential quarters, a chapel, and fortified outer walls arranged across the slope.

The castle was built in the early 1200s by the Reifferscheid lords as a regional power base controlling lands from the Belgian border to nearby abbey territories. Ownership later shifted to the Abbey of Steinfeld, which modified much of the structure.

The castle chapel was first mentioned in 1263; its position in the upper floor of the palas is still marked by a small Gothic window beside an arrow slit. After Steinfeld Abbey acquired the lordship in 1715, the palas was converted into a church and the stair tower became a bell tower, hung with bells cast by Martin Legros in 1777 and August Mark in 1954.

The castle stands at about 526 m on a narrow spur that drops steeply on three sides; the only approach is Landesstraße 22, coming from the Reifferscheider Bach valley via Steinfeld into the Urft valley. The complex runs east to west as hamlet, outer bailey and main castle, and the former drawbridge is gone, remembered only by a path called Op dr Bröck.

The castle's name lives on in the hamlet around it: the settlement on the spur was so cramped that no larger village could grow, and the only approach was guarded by a barrier called a Grindel. At today's car park stands a sandstone cross whose chronogram IesVs CrVCIfIXVs saLVator MVnDI yields the year 1789.