The environment of De Sjieper has a wealth of underground attractions that take you to a world of history, geology and adventure. From imposing marl caves to military forts, these underground gems will introduce you to the region's rich heritage and unique geological formations. Discover these fascinating places:
Caves of Kanne: The impressive quarry offers fascinating views of the vastness of the underground passages. Step inside these metre-high, labyrinth-like spaces and learn more about the history of marl mining in the region.
Maastricht Underground: Dive back in time and discover the secrets of Maastricht's underground. Visit Fort Sint Pieter, the Grotten Noord, the Grotten Zonneberg or the Kazematten, each with its own story about the city's history and military strategies.
Marl caves of Zichen-Zussen-Bolder: These caves offer a unique insight into the geological wonders ofLimburg. Discover traces of marl mining and life in the region over the centuries.
Fort of Eben-Emael: This fort on the Belgian-Dutch border was built as a defence against the Germans during WWII. 90% of the complex can be visited with a guide.
Experience the hidden world underground and be surprised by the rich history hidden there!
