Top 10 Caves around Spa
Caves around Spa offer a diverse range of underground experiences within the Belgian Ardennes. While no major cave systems are located directly within the town of Spa, the surrounding region provides access to notable geological formations and historical sites. The area is characterized by its natural landscapes, including valleys and forests, which conceal various cave types. These sites provide insights into natural history and human activity.
Best caves around Spa
- The most popular caves is Remouchamps Caves, a cave…
Last updated: May 3, 2026
Remouchamps Caves
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Entrance to Lu Hayîre Slate Mine
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Grotto of Our Lady of Lourdes in Solwaster
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The Malmedy Puddingstone
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Place of refuge during World War II
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Christmas 1944 - Bombing December 23, 24 and 25
In this shelter 300 Malmedians, victims of the tragic events in our city, found shelter for several weeks in miserable conditions.
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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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there were very tame bunnies around when I was there, very cute
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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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This grotto was built by the inhabitants in recognition of the protection of the Holy Virgin during the last war, even though two children from the parish died in German captivity. A marble tree (in the vestibule of the church) commemorates their names: Paul Fransolet and Marcel Boudron. Source: https://www.mini-ardenne.be/poi.card.php?language=fr&id=2848
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In August 1720, the lawyer Hauzeur obtained permission to exploit the slate quarries and coal mines in the communal forests of Sarto. In April 1773, a man named Sarem exploited the slate quarry located at a place called "Houlpai" in Solwaster. Source: https://www.sparealites.be/solwaster
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Frequently Asked Questions
Are there any caves directly within the town of Spa?
No, there are no major cave systems located directly within the town of Spa. However, the surrounding Belgian region offers several remarkable cave systems that are easily accessible from Spa.
Which caves near Spa offer an underground boat trip?
The Remouchamps Caves are known for their unique experience, featuring the longest underground boat trip in Europe on the Rubicon river, in addition to a walking tour through galleries.
What are the best caves for families near Spa?
For families, the Remouchamps Caves offer an engaging experience with both walking and a boat tour. The Grotto of Our Lady of Lourdes in Solwaster is also considered family-friendly as a spiritual and natural site. The Caves of Han also offer various tour lengths suitable for different ages, and include a wildlife park.
Are there any historical cave sites around Spa?
Yes, the Remouchamps Caves show evidence of Paleolithic human habitation from 8000 years ago. Additionally, the Entrance to Lu Hayîre Slate Mine is a historical site where slate and coal were mined since the 18th century. The Place of refuge during World War II near Malmedy also served as a shelter during the bombings of 1944.
What makes the Caves of Han a popular destination?
The Caves of Han, located in Belgium's first UNESCO Global Geopark, are renowned for their majestic chambers, impressive stalactites and stalagmites, and a spectacular sound and light show called 'Origin'. The domain also includes a 250-hectare wildlife park.
What is unique about the Caves of Hotton?
The Caves of Hotton are considered an exceptional natural heritage site of Wallonia, showcasing majestic galleries with vibrant colors and carefully staged lighting. A unique feature is the 'Galerie du Spéléo Club de Belgique', a 35-meter-high underground canyon, and an elevator assists with the return to the surface.
What is the 'Malmedy Puddingstone'?
The Malmedy Puddingstone refers to small caves at the foot of a slope where an unusual rock formation appears as if small pebbles are encased in red cement. This geological formation is very old, dating back between 298 and 252 million years ago.
What outdoor activities can I do near the caves around Spa?
The region around Spa offers various outdoor activities. You can explore gravel biking routes, embark on mountain hikes, or enjoy road cycling routes. Many trails pass through the natural landscapes and forests surrounding the cave sites.
What should I wear when visiting the caves?
The temperature inside caves like Remouchamps and Hotton remains constant, typically around 8-12°C (46-54°F) year-round. It is recommended to bring a light jacket or warm clothing, even during summer months, to stay comfortable during your visit.
How can I get to the Caves of Remouchamps from Spa?
The Caves of Remouchamps are conveniently located just a 15-minute drive from Spa, making them easily accessible by car.
Are there any religious or spiritual cave sites near Spa?
Yes, the Grotto of Our Lady of Lourdes in Solwaster is a spiritual place dedicated to the Virgin Mary. It is a replica of the famous Lourdes Grotto in France, built by inhabitants as a place for prayer and reflection.
What is the best time of year to visit the caves around Spa?
Caves generally maintain a stable temperature year-round, making them a good destination in any season. However, visiting during spring or autumn allows for comfortable exploration of the surrounding natural areas before or after your cave tour. Check specific cave opening hours, as some may have seasonal variations.
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