Top 20 Caves around Durbuy
Best caves around Durbuy are found within the Belgian Ardennes, a region known for its natural landscapes and significant geological features. The area's limestone bedrock has led to the formation of numerous caves, offering insights into subterranean environments. These natural formations contribute to the region's appeal for outdoor exploration.
Best caves around Durbuy
- The most popular caves include Natural Rock Tunnel near Bomal, a cave that features a natural tunnel through rocks. This location provides a unique experience of walking through a geological formation.
- Another must-see spot is Caves and Cliffs along the Ourthe, a cave area situated within a gorge. Visitors can experience the natural beauty of the Ourthe valley, characterized by its rock formations.
- Visitors also love Porte Aïve Cave, an archaeological and historical site. This cave is notable for its past excavations, which revealed a Neolithic tomb and its use as a command post during late 1944.
- Durbuy is known for its archaeological, speleological, and geologically significant caves. The region offers a variety of underground formations, from historical sites to natural rock tunnels and karstic springs.
- The caves around Durbuy are appreciated by the komoot community. With more than 370 upvotes and 50 photos, the komoot community has documented these locations.
Last updated: May 3, 2026
Isbelle Karst Spring
Highlight • Natural Monument
When the stream "l'Isbelle" comes from an impenetrable layer of sandstone on the limestone ridge, downstream from
from the hamlet of Melines, she disappears. She's looking for her way further underground! This disappearance is caused by the presence of two small parallel fault lines, which are perpendicular to the direction of the valley of the Ourthe.
At low tide or under normal conditions, the Isbelle flow disappears at the first fault line for about 50m in a series of small and scattered sinkholes in the riverbed. This
are too small to be physically examined by humans. The water permanently feeds a “resurgence” or “karst spring” called “Fontaine de Thot”. In this place, just at the foot of the chalet of the “Spéléo Club de Belgique”, the water resurfaces before it flows into the Ourthe at the end of the Isbelle valley.
In a swollen river or after a thunderstorm, we can observe a saturation process and the water partly continues to the surface in the bed of the Isbelle, only then to submerge in the series of sinkholes of the second fault line. The water from these sinkholes feeds the second, but not permanent “karst source” of the Isbelle, about 100m from the bridge called “Pont des Gattes”.
hotton-tourisme.be/media/images/upload/promenade%20de%20la%20pierre.pdf
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Porte Aïve Cave
Highlight • Cave
Many excavations were made in the cave from 1907 to 1908, and again in 1956. The first excavations were made at the main entrance and terrace, and have a Neolithic tomb (9900 to 3300 BC) at the bottom of the cave. brought to light. It is quite possible that an older deposit is still present in the cave.
At the end of 1944, the Germans had set up a command post in this cave.
If you are a geology enthusiast, it is interesting to know that this cave opens perpendicular to the vertical rock banks.
luxembourg-belge.be/diffusio/nl/do-see/visit/discover-learn/hotton/prehistoric-cave-van-porte-aive_TFO10873.php
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Coléoptère Cave
Highlight • Cave
The cave of the "Coléoptère" in Juzaine - Bomal is classified among the most interesting caves in Belgium from the point of view of the discoveries made there by eminent archaeologists, namely in 1923-24. English, Polish, American and Belgian scientists and specialists have worked there.
"Coléoptère" comes from a pendant in the shape of a cockchafer that was discovered during the first excavations. This object was deposited at the Cinquantenaire Museum in Brussels.
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Natural Rock Tunnel near Bomal
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Caves and Cliffs along the Ourthe
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Popular around Durbuy
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Tips from the Community
Beautifully located climbing area on the Ourthe with its own picnic area and here the sound of the river instead of, as is often the case in Belgium, the road and railway line. Actually, there is something for everyone, although the focus is on easier to intermediate routes. The rock is good, but not always perfectly solid.
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Nice rocky path along the Ourthe
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Varied and surprising: forest, climbing, valleys, meadows, city!
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One of the many caves found in the area. was used as a hiding place by the resistance fighters in '40 - '45
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nice little cave to crawl through
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Nice to explore the cave. Beautiful spot. After visiting the cave you continue your walk via a very steep descent.
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Extremely beautiful piece of rock formations in a place where you wouldn't immediately expect it
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Frequently Asked Questions
What are some of the most prominent caves to visit near Durbuy?
The **Hotton Caves** are widely considered among the most beautiful in Belgium, known for their impressive formations, gigantic galleries, and an underground river. Other notable sites include the Natural Rock Tunnel near Bomal, which offers a unique experience of walking through a geological formation, and the Caves and Cliffs along the Ourthe, situated within a scenic gorge.
Are there any caves near Durbuy with historical or archaeological significance?
Yes, the region is rich in historical caves. The Porte Aïve Cave is an archaeological site where excavations revealed a Neolithic tomb and served as a German command post in late 1944. The Coléoptère Cave is also recognized for its archaeological importance, with discoveries including a beetle-shaped pendant.
Which caves are suitable for families with children?
The **Hotton Caves** are very family-friendly, offering guided tours and a comfortable return ride by lift after descending into the caves. They also have a playground for children. The Isbelle Karst Spring is another adventurous location where children can enjoy looking for water disappearing and resurfacing.
What kind of geological formations can I expect to see in the Durbuy caves?
The caves around Durbuy, especially the **Hotton Caves**, feature spectacular geological formations such as stalactites, stalagmites, and pillars. You can also find rare crystallizations and fragile draperies. The Natural Rock Tunnel near Bomal is a unique formation where you can walk through a natural tunnel in the rocks.
What is the best time to visit the caves in the Durbuy region?
The temperature inside the **Hotton Caves** remains a constant 12°C year-round, making them a good option regardless of the season. For outdoor cave explorations or those involving hiking, spring and autumn offer pleasant weather. Some paths, like those near the Coléoptère Cave or Caves and Cliffs along the Ourthe, can be slippery when wet, so consider drier conditions.
Are there guided tours available for the caves?
Yes, the **Hotton Caves** offer guided tours in French, Dutch, and English, typically lasting about an hour. These tours provide educational context and enhance the experience of the underground world.
What outdoor activities can I do near the caves around Durbuy?
The Durbuy region offers various outdoor activities. You can find numerous cycling routes, including those along the Ourthe River, by exploring Cycling around Durbuy. For mountain biking enthusiasts, there are challenging trails around Durbuy, detailed in MTB Trails around Durbuy. Hiking is also popular, with mountain hikes available, such as those found in Mountain Hikes around Durbuy.
Are there any caves that are primarily of interest to speleologists?
Yes, for those with a deeper interest in speleology, the **Grotte Nys** in Durbuy is described as a beautiful horizontal cave with a labyrinth of galleries. The **Grotte de Bohon** also offers aesthetic and speleological interest with its entrance arch and underground river arm.
What should I wear when visiting the caves?
Given that the temperature inside caves like Hotton remains a constant 12°C, it's advisable to wear layers, even in summer. Comfortable walking shoes with good grip are recommended, especially for caves with uneven or potentially slippery paths, such as the Coléoptère Cave.
Are there any caves known for their natural beauty or scenic views?
The **Hotton Caves** are renowned for their spectacular formations and subtle lighting that enhances the varied colors. The Caves and Cliffs along the Ourthe offer beautiful nature and quiet surroundings, with rocky paths leading to great views and landscapes. The Natural Rock Tunnel near Bomal also provides a unique viewpoint.
What makes the Isbelle Karst Spring interesting?
The Isbelle Karst Spring is a fascinating natural phenomenon where the Isbelle stream disappears underground into sinkholes and then resurfaces as a 'resurgence' or 'karst spring' called 'Fontaine de Thot'. It's an adventurous spot, especially for observing the natural flow of water.
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