Burgruine Rötteln is a historic castle ruin located near Lörrach in Germany. It dates back to the 13th century and was once an important stronghold for the local nobility. The castle offers stunning views of the surrounding landscape and the Black Forest. Today, visitors can explore the remains of the castle, including its towers and walls. The site is a popular destination for hikers and history enthusiasts, providing insight into medieval architecture and the region's past. The ruins are also a venue for various cultural events throughout the year.