Best caves around Awans include a variety of geological formations and historical sites. The region features several notable underground locations, ranging from natural marl caves to sites of archaeological significance. These areas offer insights into local geology and history. Awans and its surroundings provide opportunities to explore unique subterranean environments.
Last updated: August 10, 2026
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Beautiful rock formations at Les Awirs with caves and climbing rocks
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The complex originally consisted of four caves, some of which have now disappeared due to natural collapse and the proximity of quarries. The caves have been protected as cultural heritage in Wallonia since 1978 and have an exceptional status due to their scientific value. Although the caves themselves are currently not open to the public, the site remains an important archaeological and natural history location that visualizes the evolution of humanity.
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The marl caves of Heers are an important hibernation site for numerous bats, including the Bechstein's bat, the Notched Bat, and the Pond Bat. Bat-friendly barriers were installed at the entrances to the caves. In 2014, the Waterkuil was closed off with a steel gate, in which bat silhouettes serve as flight openings. This elegant barrier was designed by Heers artist Frans Vandueren. Initial winter counts already showed that the gate is having an effect.
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The Lourdes grotto was built in 1946 during the celebration of the village's centennial. A prayer vigil is still held at the grotto every Thursday in May.
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Unexpected spot in the middle of the park, next to a viewpoint over the city (let's see if we can still see that far when the trees have turned green...), a reminder of a time when the walking routes were punctuated by https://www.dogwhistlings.com
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This is a cave I used to visit a long time ago. Before, you could start at the very bottom and work your way up to the top of the quarry. Now, I don't think that's possible anymore.
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Although the caves are no longer accessible, they are worth the detour for their unexpected beauty. The red earth blends perfectly with the gray of the rock walls and the green of its abundant ivy. There were originally four caves on this site. The first disappeared due to limestone mining between 1890 and 1900. Exploring the Cockerill quarry massif, Philippe-Charles Schmerling discovered four caves on the site called Trô Cwaheur (= cut, tear). In the second cave, he unearthed two human skulls in 1829, one said to be Cro-Magnon and the second a Neanderthal child. The bones were associated with extinct fauna and presented the same state of preservation. At a time when biblical theory still prevailed, he began to prove the appearance of humans on earth more than 4,000 years ago. But, misunderstood, it would be necessary to wait for the discoveries made in the Neander Valley, in Germany, to see his thesis confirmed. It was a close call for "Neanderthal man" to be called "Awirs man". The site belongs to the Société Carmeuse and has been classified since 1978. The ditch that can be seen on the site is due to a subsidence of the ground following the exploitation of alum. Alum was exploited in this place from 1580 until the middle of the 18th century (around 1740).
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The Lourdes grotto is located at the intersection between the Glaaierweg and a field path. The grotto has been beautifully restored. There are benches, flowers and candles. It is probably a work by Janssen from Westmeerbeek, given the text under Maria: que – soy era immaculada – concepcion. On the right you see an old pulpit. There are also many memorial plaques. On the other side of the street there is an additional covered place to pray. Beautiful resting place, it was consecrated in 1942 on the occasion of 100 years of parish. The grotto shows various thank you plaques from the war years 1943 and 1944.
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The region around Awans offers a diverse range of caves. You can find natural marl caves, such as the Marl Caves of Vechmael and De Coolen Nature Reserve, which are significant for their geological history and as bat hibernation sites. There are also sites of archaeological importance like the Schmerling Caves site, and even religious grottoes such as the Grotto of the Immaculate Conception.
Yes, the Grotto of the Immaculate Conception is considered family-friendly, offering a peaceful and contemplative experience with benches and flowers. For a more extensive family adventure, the Caves of Han, though a bit further afield in the Ardennes, are highly recommended for their immersive experience, tram ride, and impressive geological formations.
The Schmerling Caves site is of immense historical and archaeological importance. It's where prehistoric remains, including a Neanderthal child, were discovered in 1829. While the original caves are no longer accessible, the site itself is a significant landmark. Further away, the Cave of Spy is also renowned for the discovery of Neanderthal skeletons.
The Marl Caves of Vechmael provide access to the remains of a 90 million-year-old sea, offering a glimpse into ancient geology. The De Coolen Nature Reserve is a medium-sized marl cave with a network of tunnels. For spectacular geological formations like gigantic dripstone formations, stalactites, and stalagmites, the Caves of Han are unparalleled in the broader region.
The Marl Caves of Vechmael and De Coolen Nature Reserve are primarily bat hibernation sites and nature reserves, offering a quieter, more natural experience, though access to the interiors might be restricted. For a commercially managed cave with fewer crowds, the Caves of Hotton are known for their natural charm and limited daily visitors to preserve their pristine state.
Information regarding dog access for specific caves around Awans is limited. Generally, commercial cave systems like the Caves of Han or Remouchamps have restrictions on pets for safety and preservation reasons. For outdoor sites like the Schmerling Caves site, which is an open area, dogs on a leash are usually permitted. It's always best to check directly with the specific cave attraction before planning your visit.
The area around Awans offers various outdoor activities. You can find numerous routes for road cycling, running, and general cycling. For example, explore the 'Côte de Drolenval Climb – Château de La Fenderie loop' for road cycling, or the 'Waroux Castle loop' for running. You can find more detailed routes and guides at Road Cycling Routes around Awans, Running Trails around Awans, and Cycling around Awans.
While not directly in Awans, the Caves of Remouchamps, located in the Liège Ardennes, offer a unique nearly kilometer-long underground boat trip along the Rubicon River. This provides a serene and mysterious experience with reflective water and subdued lighting.
Caves generally maintain a constant temperature year-round, making them a good destination in any season. However, for the most comfortable experience exploring the surrounding areas and access points, spring and autumn offer pleasant weather. Summer can also be a good time, providing a cool escape from the heat. Some caves, like the Marl Caves of Vechmael and De Coolen Nature Reserve, are important bat hibernation sites, so access might be restricted during winter months to protect the bats.
Even in summer, cave interiors can be cool, so bringing a light jacket or sweater is advisable. Comfortable walking shoes with good grip are essential, especially for sites with uneven terrain. If visiting non-commercial caves or sites like the Schmerling Caves site, a flashlight might be useful, though the caves themselves are not accessible. For commercial caves like the Caves of Han, specific gear is usually not required as they are well-lit and guided.
The Cave of Spy, while not directly in Awans, is freely accessible and not designed for typical tourism. It lacks stairs, lighting, or paved paths, offering a raw, natural experience for those interested in its archaeological significance. For the sites around Awans like the Marl Caves of Vechmael and Schmerling Caves site, the exterior areas and surrounding nature are generally accessible, though the cave entrances themselves might be closed or restricted.
Visitors appreciate the blend of natural beauty and historical significance. The Marl Caves of Vechmael are noted for their mystical atmosphere and importance as bat habitats. The Schmerling Caves site is valued for its unexpected beauty, with red earth blending with rock walls and abundant ivy, alongside its profound archaeological history. The Grotto of the Immaculate Conception is cherished as a beautiful, peaceful resting place.


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