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 caves and get carried away by interactive exhibitions and surprising activities. Stroll through the former quarries and learn all about the centuries-old process of marl extraction, the geology of Limburg and how people have worked with this special layer of earth throughout time. There is plenty to experience at MergelRijk - and all underground! Discover some of the most fun activities you won't want to miss here:
A visit takes 1.5 hours on average, often a little longer with small children. REMEMBER: after 3pm, you cannot enter.
