Mysterious listening tunnels
The listening tunnels in Petersberg Citadel were designed to protect the fortress from attack. If soldiers patrolling the underground passageways heard the enemy digging a tunnel into the hillside, they would sound the alarm to defend the citadel.
Join us on a tour of the mysterious listening tunnels
How did the soldiers feel as they listened out for noises in the dark passageways?
Take a tour with our city guides and learn all manner of fascinating facts about the colourful history of this impressive building.
