Experience a unique adventure in the Valkenburg caves at MergelRijk, South Limburg's most enjoyable underground attraction! Here you will dive into the fascinating world of marl and discover how this special type of limestone has been used for centuries for construction, art and even shelters.
Step inside the mysterious cave and let Jan, our audio guide, take you around the cave at your own pace. Along the way, learn all about the origin of the caves, marl mining, how people have worked with marl throughout time and what they used the caves for. There is plenty to experience at MergelRijk - and all underground! There are also all kinds of activities to do along the way. Everything you see on our website is included and you'll meet along the way. Like being allowed to make your own souvenir from a block of marl. Discover all the fun activities and more about the cave visit here:
