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Thimister-Clermont

Top 12 Caves around Thimister-Clermont

Best caves around Thimister-Clermont are found in the surrounding Liège province and the wider Ardennes region. While no caves are directly within Thimister-Clermont, the area offers access to notable underground explorations. These locations feature diverse geological formations and historical sites, providing insights into both natural processes and past human activities. The region's landscape is characterized by its natural features, including forests and river valleys.

Best caves around Thimister-Clermont

  • The most popular caves is Mine entrance and Geul sinkhole — Plombières…

Last updated: May 19, 2026

Mine entrance and Geul sinkhole — Plombières Nature Reserve

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The Plombières mining site is an industrial and natural site located in Plombières, in eastern Belgium. Between the 14th century and 1922, zinc and lead ores were mined and processed …

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Oskar Tunnel (Oskarstollen)

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The Oskar Gallery is part of the region's historic mining operation. It is 500 meters long. The ore mined in the “Schmalgraf” mine was transported through this tunnel to the processing plant.

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Barred cave entrance in the middle of the state forest. When the eyes have got used to the darkness a little, you can see a small stream inside.

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Impressive place where the Gueule (Göhl in German), rushes into a tunnel. As the mines of Plombières were once regularly flooded by the Gueule, it was decided, in 1861, to …

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Nutons' Cave

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Located on the left bank of the Bilstain ru, a little after the enduro area and before arriving at the Rocher called "Napoleon's nose".
According to legend, nutons are small …

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Peter 🥾🐾🌲
May 12, 2026, Grotte des Nutons

Great spot next to the path to discover.

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Small cave with bat passage..

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Bats hibernate from early November to the end of March. Please leave the animals alone during these five months. Thank you.

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Bats 🦇 are allowed to fly in and out

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The site of the former Plombières mine is home to species-rich calcareous grassland meadows, now protected as a nature reserve. The exceptional flora and fauna of this area are due to the heavy metal-rich soils, particularly the presence of zinc in the subsurface. Among the natural meadow relics, visible traces of the former metal industry can still be found: – Walls from former foundry floors – Remains of old smelting furnaces – Stones from former industrial buildings A small stream meandering through the area further enriches the ecological diversity of this special place. The "Gueule" viewpoint, which offers a glimpse into a cave opening, is particularly impressive and worth a visit.

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This cave is located on the left bank of the Ruisseau de Villers (La Pancherelle) and is located a little higher up along the hiking trail, in the forests of Saint-Jacques. The "nuton" (or lûton, nûton, gnome in Dutch) is a small creature from the folklore and popular beliefs of the French and Belgian Ardennes. The nuton has the same origins as the gnome, but according to local folklore, caves, caverns and underground passages make up most of its habitat, much like the dwarves of the Germanic world.

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Hardly anything can be seen here.

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Today it is best known for its flora (zinc-rich soil) and the underground passage or "cave" where the Geule "disappears" for a moment and which was artificially constructed because too much water from the Geule flowed into the mine tunnels and they were therefore temporarily moved.

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Frequently Asked Questions

What are the most notable caves to visit near Thimister-Clermont?

While there are no caves directly within Thimister-Clermont, the surrounding Liège province and Ardennes region offer several impressive options. The Mine entrance and Geul sinkhole — Plombières Nature Reserve is a popular historical site and cave opening. Further afield, the Caves of Remouchamps are known for their unique underground boat trip, and the Grotte de Comblain offers an educational experience with abundant speleothems.

Are there any family-friendly cave experiences in the area?

Yes, several options are suitable for families. The Mine entrance and Geul sinkhole — Plombières Nature Reserve is listed as family-friendly and offers a glimpse into historical mining. The Grotte de Comblain is particularly well-suited for families, providing an engaging and educational tour about geological formations.

What historical insights can I gain from visiting caves near Thimister-Clermont?

The region's caves often intertwine with its rich mining history. The Mine entrance and Geul sinkhole — Plombières Nature Reserve is part of a former zinc and lead mining operation active for centuries. Similarly, the Oskar Tunnel (Oskarstollen) was historically used to transport ore from the deep Schmalgraf mine. The Artificial Tunnel of the Gueule River also showcases human ingenuity in diverting a river to protect mines from flooding.

Can I see unique natural features or geological formations in these caves?

Absolutely. The Grotte de Comblain is celebrated for its impressive concretions (stalagmites and stalactites) and is considered among the caves with the most speleothems in Wallonia. The Caves of Remouchamps also feature spectacular stalagmites, stalactites, and a 40-meter high 'Cathedral' chamber. The Grube Auberg Bat Cave Entrance, while barred, allows a view of a small stream inside a natural cave.

Are there opportunities for hiking near the caves?

Yes, the region around Thimister-Clermont offers numerous hiking opportunities. You can find various trails, including easy to moderate routes, that explore the natural landscape. For detailed routes and inspiration, explore the Hiking around Thimister-Clermont guide.

What is the best time of year to visit the caves?

Caves generally maintain a constant cool temperature year-round (around 10°C in the Grotte de Comblain), making them a good destination in any season. However, visiting during spring or autumn can be particularly pleasant for combining cave exploration with outdoor activities like hiking or cycling in the surrounding Ardennes region.

Are any of the caves known for their wildlife, particularly bats?

Yes, several caves in the area serve as important habitats for bats. The Oskar Tunnel (Oskarstollen) and the Grube Auberg Bat Cave Entrance are specifically noted as bat habitats. The Grotte de Comblain also functions as a winter habitat for bats, highlighting the ecological significance of these underground environments.

What kind of unique experiences do these caves offer?

The Caves of Remouchamps offer a unique combination of a walking tour and Europe's longest underground boat trip on the Rubicon river. The Grotte de Comblain provides a didactic experience with guided tours focusing on geological education. The Nutons' Cave is associated with local folklore about small, clever beings, adding a mythical dimension to your visit.

Are the caves accessible for people with reduced mobility or dogs?

Accessibility varies by cave. For instance, the Caves of Remouchamps are not accessible to people with reduced mobility, and dogs are not permitted. It's advisable to check specific accessibility information directly with each cave attraction before planning your visit.

What other outdoor activities are available near the caves around Thimister-Clermont?

Beyond hiking, the region offers excellent opportunities for cycling and gravel biking. You can explore various routes that take you through scenic landscapes and past historical sites. Check out the Cycling around Thimister-Clermont guide and the Gravel biking around Thimister-Clermont guide for route ideas.

What do visitors appreciate most about the caves in this region?

Visitors often highlight the unique blend of natural beauty and historical significance. The dramatic geological formations, the insights into the region's mining past, and the opportunity to explore underground environments are frequently praised. The combination of walking and boat tours, as well as the educational aspects, also contribute to a memorable experience.

Where can I find information about parking near the cave entrances?

Specific parking information can vary for each cave or highlight. For sites like the Mine entrance and Geul sinkhole — Plombières Nature Reserve, parking is typically available near the nature reserve. For commercial caves like Remouchamps or Comblain, dedicated parking facilities are usually provided. It's recommended to check the official websites of individual attractions for precise details.

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

EupenBaelenRaerenBüllingenStoumontLimbourgPlombièresWelkenraedtBütgenbachTroozWaimesSpaLontzenTheuxAubelPepinsterJalhayStavelotBurg-ReulandSaint VithKelmisHautes Fagnes-Eifel Natural ParkAmelMalmedyHerveDison

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