The best Belgian caves can be found beneath the rolling hills of the Ardennes in the south of Belgian. These long-lost caverns, located deep within the limestone, are a must-visit on any trip to the area.
They showcase their own unique ecosystems, as well as underground rivers, and remarkable geological formations. Each cave system has its own distinct personality that provides visitors a unique experience. One that blends the wonders of nature, human history, and a little touch of adventure. Learn more details about Belgium’s best caves.
Grottes de Remouchamps
- Location: Remouchamps, Belgium
- Discovered: 1828
- Depth: 35 meters
- Length: 800 meters
The Remouchamps Caves are claimed to be the largest caves in Belgium. A visit to these stunning caves is not only a geographical feast, they also make it quite an experience. Starting with a one-kilometer stroll through stalagmites and stalactites galleries, you take a journey through centuries-old natural treasures.
The first room, occupied by Paleolithic hunters 8,000 years ago, leads to the imposing cathedral hall and then through the Rubicon’s ancient siphons. LED lighting highlights the cave’s geology and a local guide will describe each natural feature and highlight on the world’s longest underground boat ride.
Domaine Des Grottes de Han (Caves of Han)
- Location: Remouchamps, Belgium
- Discovered: 18th century
- Depth: 110 meters
- Length: 2 k
Domaine Des Grottes de Han has to be Belgium’s most visited cave with over 23 million visitors so far. It is also the first UNESCO Global Geopark in the country.
The caves have also earned a coveted 3-star Michelin Green Guide rating and are known as one of the favorite tourist attractions in Wallonia. And with the Lesse river having shaped these caves for millennia, it is no wonder they are a sight to behold.
A visit to the Caves of Han will take you around an hour and a quarter when you take part in the “Grotte Découverte” tour. There is an alternative 2-hour, 510-step tour called the “Grotte Traversée” which takes you a little deeper into the cave system.
Grotte La Merveilleuse (Cave La Merveilleuse)
- Location: Dinant, Belgium
- Discovered: 1904
- Depth: 25 meters
- Length: 6 km
Discover beautiful limestone formations and underground waterfalls in Dinant’s Grotte La Merveilleuse. Located just a short walk from the city center, the cave is easy to explore with tours available in many languages.
Grotte de Lorette-Rochefort (Cave of Lorette)
- Location: Rochefort, Belgium
- Discovered: 1865
- Depth: 65 meters
- Length: 900 meters
The Grotte de Lorette-Rochefort is a small cave system located in the south of Belgium outside the town of Rochefort. The cave is known for its spectacular rock formations, including some notable features like the Cathedral Hall with incredible acoustics and the Witch’s Room, with a large stalagmite that resembles a witch.
There are one-hour tours available of the cave in a variety of languages and it is relatively easy to get around with hand rails in place where necessary.
Grotte de Comblain (Comblain Caves)
- Location: Comblain-au-Pont, Belgium
- Discovered: 1953
- Depth: 70 meters
- Length: 2 km
Formed by mineral deposits over thousands of years, the Grotte de Comblain contains stunning stalactites, stalagmites, columns, and draperies. The cave is also home to several bat species that hibernate in the cave’s unique ecology. There have also been a number of fossil discoveries over the years.
You can explore the cave’s unique environment and geology on guided excursions in a multitude of languages on tours lasting around 1.5 hours. There are also handrails and well-lit cave passageways to ensure safety and accessibility.
Grottes de Hotton (Caves of Hotton)
- Location: Hotton, Belgium
- Discovered: 1958
- Depth: 70 meters
- Length: 5 km
The Caves of Hotton are a unique limestone cave system located in Hotton, a small town in the Wallonia region of Belgium. These Belgian caves are known for their stunning geological formations and have in fact been recognized as part of the UNESCO Global Geopark Famenne-Ardenne. So, they are definitely worth putting on your itinerary if you are in the area.
