Hohentwiel is a prominent mountain located in the Hohentwiel Mountain Range in southern Germany. Rising to an elevation of 686 meters, it is known for its striking volcanic rock formations and scenic views of the surrounding landscape. The mountain is a popular destination for hikers and nature enthusiasts. At the summit, visitors can explore the ruins of the Hohentwiel Castle, which dates back to the 11th century. The castle was once a significant stronghold and offers insights into the region's history. Today, it serves as a historical site, attracting tourists interested in both nature and heritage.