Caves around Stoumont are situated in the Belgian Ardennes, a region characterized by its forested hills, river valleys, and significant geological formations. The area's geology has created numerous underground features, including natural rock tunnels and extensive cave systems. These formations offer insights into the ancient geological history of the region. Visitors can explore various types of subterranean environments, from natural passages to historically significant sites.
Last updated: May 3, 2026
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Popular around Stoumont
GR 2 from Verviers to Orval — The beautiful Ardennes in gravel
The wild rivers Ourthe, Vesdre and Amblève in the Belgian Ardennes
Hiking around Stoumont
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Gravel biking around Stoumont

Mountain Hikes around Stoumont
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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Situated in the quieter part of the valley. The higher paths are more frequented, rockier and more adventurous than this part. Definitely worth a visit!
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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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It is quite possible that this old slate tunnel serves as a quarters for bats in winter.
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The Grotto of Our Lady of Lourdes in Solwaster is a spiritual place dedicated to the Virgin Mary. It is located in the Wallonia region of Belgium. The grotto was built in 1903 and is a replica of the famous Lourdes Grotto in France. It was built by believers to honor the apparitions of the Virgin Mary in Lourdes. The grotto attracts numerous pilgrims every year who come here to pray, light candles and have spiritual experiences. The grotto is embedded in the rock and features a statue of the Virgin Mary. The area is surrounded by trees and nature, creating a peaceful atmosphere. There is a spring near the grotto that is considered to have medicinal properties. Many people believe that the water has healing properties.
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The Mother of God depicted and venerated here is the one from Lourdes. This well-known Marian pilgrimage site is located in the French Pyrenees and is visited by many people every year, including many sick people who hope for healing. The devotional image of the Mother of God has become widespread - not only in France - and believers have built Lourdes chapels and grottos everywhere. The church's memorial day for "Our Lady of Lourdes" is February 11th, the anniversary of the Marian apparition (1858), when the Mother of God appeared to 14-year-old Bernadette Soubirous in a rock grotto very close to Lourdes. Bernadette later became a nun and died at the age of just 35. On December 8th (the Feast of the Immaculate Conception of Mary) 1933, she was canonized by Pope Pius XI. The commemoration of the Madonna of Lourdes is also World Day of the Sick.
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The Remouchamps Caves are renowned for featuring Europe's only navigable underground river, the Rubicon. Visitors can take a boat trip along this subterranean waterway, complemented by a 1200-meter walk through vast chambers filled with impressive limestone formations, stalactites, and stalagmites. The caves also showcase fossils from 350 million years ago.
Yes, the Remouchamps Caves are considered family-friendly, offering an engaging experience with both walking and a boat tour. Additionally, the Grotto of Our Lady of Lourdes in Solwaster is a peaceful, family-friendly site, though it is a religious grotto rather than a natural cave for exploration.
The Coléoptère Cave is particularly significant for its archaeological discoveries made in the early 20th century, classifying it among Belgium's most interesting caves. The Remouchamps Caves also have historical significance, having been open to the public since 1828.
Yes, you can explore the Natural Rock Tunnel near Bomal. This natural monument allows visitors to walk through a tunnel formed in the rocks, often accessed via stairs and bridges after navigating varied terrain.
Inside the Remouchamps Caves, the temperature remains constant between 8 and 10 degrees Celsius (46-50°F) all year round. It is advisable to wear warm clothing, even in summer, and comfortable, non-slip shoes for walking on potentially damp surfaces.
The region around Stoumont offers numerous outdoor activities. You can find various hiking trails, including the "Promenade de la Vecquee" or the "Extratrail Stoumont: Blue Trail." There are also road cycling routes and running trails available, such as the "Mine d’or Waterfall – Rope-Assisted Forest Trail loop."
Yes, you can visit the Entrance to Lu Hayîre Slate Mine. This site marks an old slate tunnel where slate and hard coal were mined since 1773. While the mine itself is not open for full exploration, the entrance offers a glimpse into the region's industrial past.
The Remouchamps Caves are generally open daily from 9:30 a.m. to 5:00 p.m. Entrance fees, which include the underground boat tour, vary by age: 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, and it's recommended to contact them in advance for special tours.
Yes, the Grotto of Our Lady of Lourdes in Solwaster is a spiritual place dedicated to the Virgin Mary. Built in 1903, it is a replica of the famous Lourdes Grotto in France and attracts numerous pilgrims who come to pray and reflect in its peaceful, natural setting.
The caves in the Stoumont region, particularly the Remouchamps Caves, showcase impressive geological formations. These include colorful limestone formations, stalactites, and stalagmites that have been sculpted over millions of years. The region's geology, characterized by forested hills and river valleys, has created these extensive underground features.
For the Remouchamps Caves, reduced rates are available for people with reduced mobility, and a special tour can be arranged. It is recommended to contact the caves in advance to discuss specific requirements and ensure a suitable visit.
Visitors particularly appreciate the unique combination of walking and boating through natural wonders, such as the navigable underground river in the Remouchamps Caves. The immersive journey into the Earth's ancient past, the quiet reflective waters, and the mysterious lighting create a memorable experience. The natural rock tunnels and historical sites also offer diverse exploration opportunities.


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