Best caves around Aubel are primarily associated with the region's rich mining history and unique geological features. While natural caves are not a prominent feature directly within Aubel, the area offers several historical mining tunnels and artificial subterranean passages. These sites provide insights into the industrial heritage of the region and showcase how human activity has interacted with the natural landscape. The broader Belgian Ardennes region, however, is well-known for extensive natural cave systems.
Last updated: June 3, 2026
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Great spot next to the path to discover.
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Small cave with bat passage..
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Bats hibernate from early November to the end of March. Please leave the animals alone during these five months. Thank you.
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Bats 🦇 are allowed to fly in and out
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The site of the former Plombières mine is home to species-rich calcareous grassland meadows, now protected as a nature reserve. The exceptional flora and fauna of this area are due to the heavy metal-rich soils, particularly the presence of zinc in the subsurface. Among the natural meadow relics, visible traces of the former metal industry can still be found: – Walls from former foundry floors – Remains of old smelting furnaces – Stones from former industrial buildings A small stream meandering through the area further enriches the ecological diversity of this special place. The "Gueule" viewpoint, which offers a glimpse into a cave opening, is particularly impressive and worth a visit.
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This cave is located on the left bank of the Ruisseau de Villers (La Pancherelle) and is located a little higher up along the hiking trail, in the forests of Saint-Jacques. The "nuton" (or lûton, nûton, gnome in Dutch) is a small creature from the folklore and popular beliefs of the French and Belgian Ardennes. The nuton has the same origins as the gnome, but according to local folklore, caves, caverns and underground passages make up most of its habitat, much like the dwarves of the Germanic world.
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What miners and "engineers" have created. Unbelievable.
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You should keep quiet here
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Directly around Aubel, you'll find sites primarily related to the region's rich mining history and unique geological features. These include historical mining tunnels, artificial river diversions, and natural cave entrances that serve as protected bat habitats. Examples include the Mine entrance and Geul sinkhole — Plombières Nature Reserve, the Oskar Tunnel (Oskarstollen), and the Grube Auberg Bat Cave Entrance.
While Aubel itself focuses on historical mining sites, the broader Belgian Ardennes region is home to several renowned natural cave systems. Notable options within a reasonable distance include the Caves of Han, known for their impressive formations and wildlife park; the Caves of Remouchamps, famous for Belgium's longest underground boat trip; and the Caves of Hotton, unique as Belgium's only entirely classified cave system. For more information on the Caves of Han, you can visit visitardenne.com.
The subterranean sites around Aubel are deeply rooted in the region's industrial past, particularly zinc and lead mining. The Plombières Nature Reserve, for instance, was a significant mining site from the 14th century until 1922. The Oskar Tunnel (Oskarstollen) is a 500-meter long tunnel historically used to transport ore from the Schmalgraf mine. These sites offer a glimpse into how human activity shaped the landscape and economy of the area.
Many of the larger natural cave systems in the wider Ardennes region, such as the Caves of Han and Remouchamps, are designed with family visits in mind, offering guided tours and accessible paths. Locally, the Mine entrance and Geul sinkhole — Plombières Nature Reserve is considered family-friendly, offering a mix of industrial history and nature exploration.
Around Aubel, you can observe unique natural features influenced by the region's geology and mining history. The Plombières Nature Reserve is known for its species-rich calcareous grassland meadows and unique flora due to heavy metal-rich soils. The Grube Auberg Bat Cave Entrance and Oskar Tunnel (Oskarstollen) are protected bat habitats. You'll also find small streams and picturesque landscapes, such as around the Artificial Tunnel of the Gueule River.
The region around Aubel offers a variety of outdoor activities. You can find numerous routes for mountain biking, hiking, and running. For example, there are MTB Trails around Aubel, including the 'Old Railway Tunnel on Ligne 38' loop. Hikers can explore Mountain Hikes around Aubel, such as the 'Göhl Tunnel – Vaalserberg Three-Country Point' loop. There are also Running Trails around Aubel, like the 'Val-Dieu Countryside – Knuppenstock' loop.
Yes, several subterranean sites around Aubel are crucial for wildlife, particularly bats. The Oskar Tunnel (Oskarstollen), a historical mining tunnel, now serves as a significant habitat for bats. Similarly, the Grube Auberg Bat Cave Entrance is a barred natural cave entrance specifically protected for its bat population. Visitors are encouraged to be quiet and respectful of these sensitive environments.
The best time to visit depends on the type of site. For the historical mining sites and artificial tunnels around Aubel, spring and autumn offer pleasant temperatures for exploring the surrounding nature reserves. For the larger natural caves in the Ardennes, summer is popular, but they maintain a constant cool temperature year-round, making them a good option even on hot days. Always check specific opening hours, as some sites may have seasonal closures or reduced hours.
Even in summer, caves and tunnels maintain a cool, damp environment. It's advisable to wear layers, including a light jacket or sweater, and comfortable, sturdy shoes with good grip, as paths can be uneven or wet. For sites like the Grube Auberg Bat Cave Entrance, where you might only observe from the outside, appropriate outdoor clothing for the weather is sufficient.
While the historical mining sites directly around Aubel may have uneven terrain typical of nature reserves and old industrial areas, some of the larger, commercially operated natural caves in the broader Ardennes region offer better accessibility. For example, parts of the Caves of Han or Remouchamps may have paved paths or facilities for visitors with mobility challenges. It is always recommended to check the specific accessibility information directly with the cave operator before planning your visit.
Aubel and its surrounding villages offer various options for food and drink. While there might not be cafes directly at every cave entrance, you can find local pubs, restaurants, and cafes in nearby towns. The region is also known for its local food markets, providing opportunities to sample regional produce and specialties.
The Nutons' Cave is steeped in local folklore. According to legend, nutons (or lûtons/gnomes) are small, clever beings skilled with their hands. They are said to carry out minor repair work in exchange for offerings left at the entrance to their caves. These mischievous and cunning creatures are a part of the popular beliefs of the French and Belgian Ardennes, with caves and underground passages forming their primary habitat.


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