📜 German fortress, part of the Atlantic Wall, restored in the early 2000s. 🔍 Features 32 rooms across four floors, including observation and combat posts. Located 60 meters above sea level and 20 meters below ground, spanning 270 meters. # Why Go⚔️ Explore a well-preserved WWII German fortress/bunker. 🗺️ Discover an expansive underground "castle" with 32 rooms, observation, and combat posts. 📚 Learn about the Battle of Normandy. ⛰️ Enjoy a unique underground experience in limestone cliffs. 💡 Site maintained by dedicated volunteers. # Why Avoid🚫 Guided tours are mandatory. 🥶 Average temperature 11°C (52°F), bring warm clothes. # Tips👟 Wear comfortable shoes. 👥 Group visits are available for 5 to 25 people. # 💰 CostFree, tips encouraged. # 🕒 HoursSee website for opening times. # 🐾 OtherPets welcome.