Stichting Kasteel van Valkenburg (Valkenburg Castle Foundation) was founded in 1924 with the objectives of preserving the Velvet Cave and the ruins of Valkenburg Castle (the Netherlands’ only hilltop castle), as they are now, for future generations and keeping both of these national monuments safe and accessible.

MergelRijk is the best adventure for young and old in the caves of Valkenburg: an exciting and incredibly multifaceted experience in the caverns beneath Valkenburg. This unique attraction enlightens you about all features and aspects of marlstone and underground caverns through the ages. Enjoy the great wealth of attractions, films and informative details. Children can take part in an exciting treasure hunt. And last but not least: Take the best interactive photos in the caves of Valkenburg! From June ‘22, spectacular 3D cave paintings can be seen on the walls, ceilings and floors in part of the caves of MergelRijk. These cave paintings are made by the best 3D art artists in the world. You can experience the 3D paintings at its best by taking a picture! So don't forget your phone or cam!

The Netherlands' last coal mineUnique in EuropeDiscover the world of mining in a mysterious underground environment. Begin your introduction to the world of the miners in our subterranean cinema, designed to look like a mine. Here you will see a unique promotional film by the Dutch State Mines (now the chemical company DSM) from the mid-1960s. This film will tell you all about the mining industry.FascinatingAfter the film, a former miner will lead you through the world of coal mining. Experience the excitement of the difficult work of the miners. Take a journey through time past the machines which were used to extract coal.Each visit is uniqueOur fourteen guides are all former coal miners with a wealth of experience working underground. Each guide has a unique presentation full of humour and personal anecdotes which make the past come alive. Demonstrations of mining machines add to the mood. These machines work by means of a specially-installed compressed air system, just like they used to use in the mines.Visitors with disabilitiesThe Steenkolenmijn and the Jan Kruysen Gallery are easily accessible to visitors with disabilities and wheelchair users.

Join the only underground war tour in The Netherlands with Rendez-Vous in the Municipality Cave.We provide a themed tour through Valkenburg's Municipality Cave called 'Shelter throughout the Centuries'. This 1,5 hour tour will take you to Valkenburg's underground world! You will experience its dark corridors as a shelter in times of war as it was used by the local people throughout the ages. You will be taken into a nuclear fallout shelter from the Cold War, a shelter area from the Second World War and a refuge chapel from the time of the French Revolution! Group and Private tours are possible!

Holland Casino Valkenburg is located just outside Maastricht and has several bars and a restaurant for some fine wining & dining. It offers live entertainment, theme nights and the chance to win spectacular prizes. There’s always something special happening at Holland Casino Valkenburg. Holland Casino operates the only legal casinos in Holland. Holland Casino Valkenburg invites you to try your luck at the Roulette, Black Jack, Poker and a whole host of slot machines. While you are there, please visit the international restaurant where we serve various dishes, gastronomic dinners and fine wines. Don't forget all winnings are tax -free and membership is not required. We are open daily from 12.00 hours. Please note our entrance conditions, minimum age 18 years and valid proof of identity is required.