Tours for Groups in Maastricht Underground
Tour of the North Caves
Through a labyrinth that once comprised more than 20,000 corridors, a professional guide takes you underground to see the names and drawings of people who worked here every day a few hundred years ago.
Tour of the Zonneberg Caves
Explore underground Maastricht; a place where history comes to life! Join in a dark adventure in the Zonneberg Caves: No light, no sound, no smell, no radiation, no pollution, no mobile phone signal, no idea of time.
Tour of Fort St. Pieter
Discover Maastricht's war history. You'll be amazed by this extraordinary historic monument and the fascinating stories told by a guide from Maastricht Underground.
Tour of the Casemates
Discover how a good defence is the best form of attack! Enter the fourteen kilometres of underground brick tunnels and mine galleries to be transported back to the time of the Maastricht sieges.
The unique defence of Maastricht
How do you defend an important fortified city? Find out at Fort St Pieter and the Kazematten underground tunnels. Maastricht used to be an important city due to its strategic location, but its hilly landscape made it extremely difficult to protect.
The Second World War underground
Visit the network of tunnels in St Pietersberg hill, which was used to shelter 50,000 people and house valuable works of art during the war.
Zonneberg photo safari
The caves are an intriguing landscape for both amateur and professional photographers. Take stunning photographs during a tour with your own private guide.
Underground cultural treasures
Explore the northern tunnel system of the St. Pietersberg hill and the underground Kluis (vault) where Rembrandt's Night Watch was safely stored during the Second World War.
De Kluis - national World War II treasure room
Accompanied by a guide from Maastricht Underground, you'll visit the Rijkskluis (national vault) in the marl caves where valuable Dutch art treasures were safely stored during the Second World War.
Cave drawings by candlelight
Watch as the flickering candlelight illuminates the unique charcoal drawings in the caves.
The North Caves (Grotten Noord) in St Pietersberg hill are full of unique charcoal drawings.