Best caves around Seraing are found within a region characterized by its natural landscapes and historical significance. Seraing, located in the Liège province, offers access to various geological formations and subterranean sites. The area is known for its forested hills and river valleys, providing a setting for both natural cavities and historically significant cave systems. These features contribute to the region's appeal for outdoor exploration and archaeological interest.
Last updated: June 29, 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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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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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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Approach (Parking) 50.556177, 5.579821 This massif consists of various climbing routes with varying degrees of difficulty. 1) La Dalle → The Slab 2) Porche de la Grotte → Portal of the Grotto or Entrance to the Cave 3) Porche Triangulaire / The Anticlinal → Triangular Portal / The Anticlinal 4) Dalle Supérieure → Upper Slab 5) Les Bombés → The Overhangs
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In 1829, the Dutch physician Philippus Schmerling found prehistoric remains here. He discovered the Neanderthal man before Neandertal would give it its name after similar finds there in 1856. The caves in which the bones were found are no longer accessible. The area is still known as the site des Grottes Schmerling. Source: https://www.ultimatehiking.be/dagtocht-steengroeven-mullerthal-kastelen-langs-maas
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The Seraing area offers a mix of natural cavities, historical sites, and features integrated into scenic hiking routes. You can find caves that are part of beautiful valleys with interesting rock formations, such as the Chawresse Trail, as well as sites significant for archaeological discoveries like the Schmerling Caves site. There are also unique man-made features like the Casino Grotto, Parc de la Chartreuse, which serves as a historical ornamental construction.
While Seraing itself features smaller natural cavities like the Trou d'Ausny, for more extensive show caves with impressive geological formations and visitor facilities, you'll need to venture a bit further. Notable options in the wider Liège province and Ardennes region include the Caves of Remouchamps, known for Belgium's longest underground walk and a boat tour, and the Caves of Han, a 3-star natural wonder with stunning concretions.
Yes, the Schmerling Caves site is particularly significant. In 1829, physician Philippus Schmerling discovered prehistoric remains here, including those of Neanderthal man, making it a crucial archaeological location. Although the original caves are no longer accessible, the site is appreciated for its unexpected beauty and historical context.
The caves and surrounding areas offer diverse natural beauty. For instance, the Chawresse Trail features a beautiful valley with interesting rocks and caves, where a stream flows into the Ourthe. The Sainte-Anne Cave and Rocks, located on the Ourthe River, is known for its steep limestone cliff and the discovery of calcite pools and a lake within its network.
Yes, several trails incorporate cave features. The Chawresse Trail is a prime example, winding along a stream and featuring interesting rock formations and underground cavities. The area around the Trou d'Ausny also includes a forested hiking trail. For more options, you can explore running trails around Seraing, some of which pass by natural features.
While the local caves like Abîme Cave (Comblain Cave) are recognized for their quality and offer guided tours, the nearby Caves of Han provide a specific 1-hour 15-minute 'Cave Discovery' tour suitable for families, making it a great option for a day trip.
The difficulty varies. Trails like the Chawresse Trail are generally intermediate, involving stream fording and uneven terrain. The Sainte-Anne Cave and Rocks area is considered challenging, especially for climbing. The Abîme Cave is also rated as challenging. Always check specific route details on komoot for up-to-date difficulty ratings.
Beyond cave exploration, the region around Seraing offers various outdoor activities. You can find numerous gravel biking routes, running trails, and road cycling routes. These routes often traverse forested hills and river valleys, providing opportunities for scenic rides and runs.
While the local caves offer interesting natural features, for truly unique geological formations, the Caves of Han are renowned for their stunning concretions and vast chambers. The Caves of Remouchamps also feature colorful limestone formations and ancient stalactites.
The Trou d'Ausny is a small natural cavity located within a forested area on a rock formation in Seraing, primarily used for climbing and bouldering. It's part of a hiking trail and is described as a calm and beautiful spot, though it's not a large show cave with extensive tourist facilities. You can find it along some running trails around Seraing, such as the 'Ausny Cave – Lovers' Spring loop'.
The Schmerling Caves site has a history tied to limestone mining, which led to the disappearance of one of its original four caves. Additionally, alum was exploited in this area from 1580 until the mid-18th century. While the archaeological caves themselves are no longer accessible, the site offers a glimpse into this historical context.
Visitors appreciate the natural beauty and the sense of discovery. For example, the Chawresse Trail is loved for its charming path along the stream and the challenge of fording it. The Schmerling Caves site is valued for its unexpected beauty where red earth blends with rock walls. The Casino Grotto, Parc de la Chartreuse is noted as an unexpected and historically interesting spot within the park.


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