Best caves around Hamoir are found in a region shaped by the Ourthe Valley, where limestone formations have created numerous underground cavities. The area's geology offers a diverse range of cave experiences, from archaeological sites to natural rock tunnels. These natural features around Hamoir provide unique opportunities for exploration and discovery. The region is known for its varied terrain, offering both accessible and more adventurous caving experiences.
Last updated: June 3, 2026
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Popular around Hamoir
Nice rocky path along the Ourthe
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Varied and surprising: forest, climbing, valleys, meadows, city!
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Entrance fees (including the underground boat tour) may vary depending on the season. Children aged 3–11 pay €14, teenagers €17, adults €20, and seniors aged 60 and over €16. Reduced rates are available for people with reduced mobility. The caves are open daily from 9:30 a.m. to 5:00 p.m. Payment can be made in cash or by credit card. Reservations can be made online or by phone. A special tour for people with reduced mobility is available—please contact us in advance if you require one.
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A magnificent hiking trail, but not to be underestimated. Along the hillside, you'll walk through rock formations, some of which you'll have to crawl through, and past viewpoints overlooking the Ourthe Valley. Some caves are accessible, but only after a short, steep climb. Be careful.
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Steep climbing with beautiful views...
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Les Tartines is one of the many rock massifs in this valley. 4 vertical, relatively narrow walls made of dolomitic limestone are perpendicular to the valley. At the bottom of the hiking trail there is immediately a rock cavity 'Trou derrière la gare' and then a sharp further climb to the first Tartine. You can cross it on a forest path, but you can also go through it on a more adventurous path. This happens with the first one over the stomach and hands through a man-sized hole. For a moment you feel like a caver here. You can just walk through the 2nd and on the 3rd you get a beautiful view of Comblain au Pont. The forest path leads you further through beautiful forest to the heights of Oneux.
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One of the many caverns in these hills. In this cave a utensil was found in the shape of a beetle (coléoptère).
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Schedule and prices: https://www.grottedecomblain.be/en/rates-schedules/
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The region around Hamoir is rich in limestone formations, leading to diverse underground cavities. For instance, the Remouchamps Caves feature the Rubicon, Europe's only navigable underground river, offering a 700-meter boat journey. You can also find impressive speleothems like stalactites and stalagmites. The Natural Rock Tunnel near Bomal allows hikers to walk directly through a natural rock passage.
Yes, both the Remouchamps Caves and the Abîme Cave (Grotte de Comblain) are considered family-friendly. Remouchamps offers an engaging boat tour, while the Grotte de Comblain provides interactive tours designed to turn children into 'scientific explorers'.
The Coléoptère Cave in Juzaine (Bomal) is notable for its archaeological importance, where significant discoveries, including a cockchafer-shaped pendant, were made by archaeologists in the 1920s. The Remouchamps Caves also show evidence of use by Paleolithic hunters some 8,000 years ago and served as an air-raid shelter during WWII.
For major show caves like the Remouchamps Caves and the Abîme Cave (Grotte de Comblain), guided tours are typically required to ensure safety and provide educational context. However, natural rock passageways like the Natural Rock Tunnel near Bomal and the Cave Entrances and Rock Passageways of Les Tartines can be explored independently as part of hiking trails.
The major show caves like Remouchamps and Comblain maintain a constant temperature (around 8-10 degrees Celsius) year-round, making them suitable for visits in any season. However, for exploring outdoor rock formations and combining with hiking, spring and autumn offer pleasant weather. Some caves, like the Grotte de Comblain, are particularly interesting in winter when bats hibernate there.
Yes, the Remouchamps Caves offer a special tour for people with reduced mobility. It is recommended to contact them in advance to arrange this. Reduced rates are also available for visitors with reduced mobility.
The Abîme Cave (Grotte de Comblain) is particularly known for its unique ecosystem and significant bat population, hosting eight different species. Tiny crustaceans like *Niphargus* can also be observed in the underground river of the Remouchamps Caves.
Absolutely. The Natural Rock Tunnel near Bomal is a distinctive feature along hiking routes. Additionally, the Cave Entrances and Rock Passageways of Les Tartines offer an adventurous hiking experience where you can walk through and even crawl into natural rock formations with viewpoints overlooking the Ourthe Valley. You can find more hiking options in the area by exploring Hiking around Hamoir.
Caves maintain a cool, constant temperature, typically between 8 and 10 degrees Celsius, so it's advisable to wear warm layers, even in summer. The ground can be wet and slippery, especially in natural passages, so sturdy, non-slip footwear is essential. For more adventurous explorations, a headlamp might be useful.
While Hamoir itself has some local features, the most notable show caves like Remouchamps and Comblain-au-Pont are best reached by a combination of train and bus, or by car. For specific public transport routes and schedules, it's recommended to check local transport websites or use a journey planner for the Wallonia region, as direct routes can vary.
Major tourist caves like the Remouchamps Caves and the Abîme Cave (Grotte de Comblain) typically have dedicated parking facilities for visitors. For smaller, less developed cave entrances or rock passageways found along hiking trails, parking might be available at nearby trailheads or designated parking areas for hikers.
The Hamoir region, situated in the Ourthe Valley, offers a variety of outdoor activities. You can explore numerous hiking trails, go mountain biking, or enjoy running routes. The Ourthe Valley itself is popular for kayaking and other water sports, providing a comprehensive outdoor experience.
The Remouchamps Caves are renowned for their unique combination of an extensive walking tour through magnificent formations and the distinctive underground boat trip on the Rubicon, Europe's only navigable underground river. The 'Cathedral' chamber, reaching 40 meters high, and the constant cool temperature also contribute to its appeal.
The Abîme Cave (Grotte de Comblain) is classified as an 'underground cavity of scientific interest' due to its significant bat population, hosting eight different species. It offers educational and engaging tours, particularly for families, focusing on the geological processes and the cave's vital role as a bat habitat.


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