Caves around Donceel provide access to a rich subterranean landscape in the Liège province of Belgium. While Donceel itself is a quiet municipality, the surrounding region features significant geological formations and historical cave sites. The area offers diverse opportunities for exploring natural and man-made underground spaces. These sites contribute to the region's natural heritage and offer unique insights into its past.
Last updated: June 30, 2026
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Beautiful rock formations at Les Awirs with caves and climbing rocks
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The bank was no longer there
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The complex originally consisted of four caves, some of which have now disappeared due to natural collapse and the proximity of quarries. The caves have been protected as cultural heritage in Wallonia since 1978 and have an exceptional status due to their scientific value. Although the caves themselves are currently not open to the public, the site remains an important archaeological and natural history location that visualizes the evolution of humanity.
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The marl caves of Heers are an important hibernation site for numerous bats, including the Bechstein's bat, the Notched Bat, and the Pond Bat. Bat-friendly barriers were installed at the entrances to the caves. In 2014, the Waterkuil was closed off with a steel gate, in which bat silhouettes serve as flight openings. This elegant barrier was designed by Heers artist Frans Vandueren. Initial winter counts already showed that the gate is having an effect.
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This is a cave I used to visit a long time ago. Before, you could start at the very bottom and work your way up to the top of the quarry. Now, I don't think that's possible anymore.
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Although the caves are no longer accessible, they are worth the detour for their unexpected beauty. The red earth blends perfectly with the gray of the rock walls and the green of its abundant ivy. There were originally four caves on this site. The first disappeared due to limestone mining between 1890 and 1900. Exploring the Cockerill quarry massif, Philippe-Charles Schmerling discovered four caves on the site called Trô Cwaheur (= cut, tear). In the second cave, he unearthed two human skulls in 1829, one said to be Cro-Magnon and the second a Neanderthal child. The bones were associated with extinct fauna and presented the same state of preservation. At a time when biblical theory still prevailed, he began to prove the appearance of humans on earth more than 4,000 years ago. But, misunderstood, it would be necessary to wait for the discoveries made in the Neander Valley, in Germany, to see his thesis confirmed. It was a close call for "Neanderthal man" to be called "Awirs man". The site belongs to the Société Carmeuse and has been classified since 1978. The ditch that can be seen on the site is due to a subsidence of the ground following the exploitation of alum. Alum was exploited in this place from 1580 until the middle of the 18th century (around 1740).
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The Préhistomuseum is a museum park focused on Prehistory. The museum and the Ramioul cave are nestled in a Natura 2000 reserve, on the banks of the Meuse. The site is located in a 30-hectare forest at the gateway to the Belgian Ardennes. Its cave and activities spread throughout the park delight children, adults and nature and adventure lovers alike. In addition to its exhibitions and experiences, it hosts an outdoor escape game! For more information on how to experience this unique adventure, visit their website: https://www.prehisto.museum.
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In 1829, the Dutch physician Philippus Schmerling found prehistoric remains here. He discovered the Neanderthal man before Neandertal would give it its name after similar finds there in 1856. The caves in which the bones were found are no longer accessible. The area is still known as the site des Grottes Schmerling. Source: https://www.ultimatehiking.be/dagtocht-steengroeven-mullerthal-kastelen-langs-maas
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The Schmerling Caves site is a natural monument and historical landmark, famous for the discovery of prehistoric human remains, including a Neanderthal child, in 1829. While the original caves are no longer accessible, the site itself is recognized for its historical importance. Additionally, the Préhistomuseum offers a historical site with a cave, focusing on Prehistory within a Natura 2000 reserve.
Yes, the Préhistomuseum is a family-friendly option. It's a museum park focused on Prehistory, located in a 30-hectare forest, offering various activities and an outdoor escape game alongside its cave. Further afield, the Caves of Han-sur-Lesse and the Caves of Remouchamps are also popular choices for families, offering guided tours and unique experiences.
The Marl Caves of Vechmael are notable for being the remains of a 90 million-year-old sea, offering a unique impression of ancient underground formations. These caves also serve as an important hibernation site for bats. In the wider region, the Caves of Remouchamps feature the longest navigable underground river in Europe, while the Comblain Cave is known for its significant speleothems and unique ecology.
The region around Donceel offers various outdoor activities. You can find numerous options for hiking, gravel biking, and mountain biking. These routes often pass through scenic landscapes and can be combined with a visit to the cave sites.
Yes, the Marl Caves of Vechmael are particularly important as one of the most significant hibernation sites for bats in the region. Further away, the Comblain Cave also serves as a crucial wintering center for thousands of bats.
The best time to visit caves generally depends on the specific cave's opening hours and any seasonal closures. For caves that serve as bat hibernation sites, like the Marl Caves of Vechmael, access might be restricted during winter months to protect the bats. It's advisable to check the specific cave's website for current operating schedules before planning your visit.
Yes, the Grottes de Folx-les-Caves, located further afield in Orp-Jauche, are a network of human-made limestone quarries from the Middle Ages. Unlike natural caves, these offer a unique atmosphere with labyrinthine tunnels and vaults, often used for cultural events and exhibitions.
The Caves of Han-sur-Lesse are arguably the most famous in Belgium, attracting a large number of visitors annually with their historic tram ride and impressive subterranean landscape. The Caves of Remouchamps are also very popular, known for their underground river boat trip and spectacular chambers.
Yes, a visit to the Caves of Han-sur-Lesse can be combined with the adjacent Han Wildlife Park for a full day out. The Préhistomuseum itself is a museum park with a cave, offering various activities within its 30-hectare forest setting.
For detailed information on the Caves of Remouchamps, including opening hours and visitor details, you can visit visitwallonia.com. For the Comblain Cave, more information is available at visitwallonia.com.
The Caves of Hotton are celebrated for their natural charm and are the only caves in the region to have been awarded two stars by the Michelin guide. They extend over multiple levels, reaching depths of over sixty meters, and are known for their spectacular stalactites and an underground river.


Extend your search for the best caves by checking out these guides of the top ones around Donceel: