Fluweelengrot Valkenburg

The Velvet Cave in Valkenburg is one of the most famous and unique caves in the Netherlands. This centuries-old marl cave lies beneath the famous castle ruins and is full of history, mystery and underground stories.

On a guided tour, you’ll explore a network of tunnels, old wall drawings, a hidden chapel and wartime shelters. The cave is open all year round and hosts a magical underground Christmas Market in winter.

The mix of natural stone, history and atmosphere makes the Velvet Cave a must-see experience. A true highlight for any visitor to Valkenburg aan de Geul.