Caves around Kaperich are located in the picturesque Vulkaneifel district, an area recognized for its natural beauty and opportunities for hiking and cycling. The region's geological history has resulted in various formations, including both natural rock shelters and significant historical underground structures. While natural caves exist, the area is particularly known for its former mining operations, providing insight into local industrial heritage. These underground features offer unique exploration experiences for visitors.
Last updated: June 27, 2026
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Super cool but I didn't dare go in 😅
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1 million years of geology. Worth putting your bike aside for a moment.
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surprising sight when walking the theme path in our direction
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Not even noticeable at first glance. The ceiling is a real highlight; who can or does something like that these days? It's definitely a must-see.
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The Ulmener Maar tunnel connects the Ulmener Maar with the Jungferweiher Maar and is 120 meters long and 70 cm wide at its narrowest point. Different rock layers from the volcanic history can be seen. Display boards and paintings on the tunnel make the history very interesting. The tunnel was used to channel water from the two maars into the Ulmener Bach to the mills. Next to the tunnel, two drains and bulkheads are used to regulate the water level.
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Information about the Maar Stollen can be found, for example, at https://www.gesundland-vulkaneifel.de/ulmener-maar-stollen-entdecker-tour/#:~:text=Ulmen%20neu%20erleben&text=Den%20Maar%2DStollen%20kannst %20you, just%20once%2070%20cm%20wide. find
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It's called the Ulmen Maar Tunnel and connects the Jungferweiher pond and the Ulmen Maar. The tunnel is finished and has been open to the public since April 25, 2023. It's turned out simply fantastic. A visit is definitely worthwhile. It's open in the summer months from 6 a.m. to 8 p.m. In winter, it's also open during the day. The circular and hiking trail around the Jungferweiher pond and the Ulmen Maar is wheelchair accessible. Cycling through the tunnel is prohibited, as the tunnel is only 70 centimeters wide at its narrowest point. You don't need to be claustrophobic. A visit to the Ulmen Castle ruins, with its fantastic view over the town of Ulmen and the Ulmen Maar, is also highly recommended.
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The Kaperich area offers a mix of historical mine tunnels and natural rock formations. You can explore former slate and barite mines, as well as natural caves and rock cellars, providing insight into the region's geological history and industrial heritage.
Yes, the region is rich in mining history. You can visit the Matthias-Josef Stollen Slate Mine, a historical site made entirely of quarry stone. Another interesting spot is the Juliusstollen and Kaulenmännchen Sculpture, where a few meters of tunnels are accessible, and a sculpture tells a local legend.
While many underground features are historical mines, you can find natural rock formations and the Heinzelmännchen Cave, which is considered a natural monument. It's known for its legend of the brownies and offers a great viewpoint over the Mimbachtal.
Visitors appreciate the unique blend of history and nature. Many enjoy the historical insights provided by the old mines and the scenic views from natural formations. The Matthias-Josef Stollen Slate Mine, for example, is considered a great place for a break and is worth a trip in any season.
The Matthias-Josef Stollen Slate Mine is categorized as family-friendly, offering an interesting historical experience that can be enjoyed by all ages. Its quarry stone shelter provides a good spot for a break.
Many of the sites, such as the Matthias-Josef Stollen Slate Mine, are considered worth a trip in every season. However, for exploring the surrounding natural beauty and hiking trails, spring to autumn generally offer the most pleasant weather.
The Kaperich region is excellent for outdoor activities. You can find numerous routes for hiking, cycling, and gravel biking. For hiking, explore trails like the 'Playhouse by the Lake – Heilbachsee loop from Uersfeld'. For cycling, consider the 'Schacht Bergkrone rest area – Lake Heilbach loop from Uersfeld'. More options are available in the Hiking around Kaperich, Cycling around Kaperich, and Gravel biking around Kaperich guides.
The Felsenkeller Eifel is a historical cave that is not immediately noticeable at first glance. Its ceiling is considered a real highlight by visitors, offering a unique discovery for those who venture to find it.
Temperatures inside underground sites can be cooler than outside, even in summer. It's advisable to wear layers and sturdy footwear. For sites with accessible tunnels, a good flashlight is recommended to illuminate the interior.
The Bergkrone Mine Tunnel features a nicely designed entrance to a former barite pit. However, please note that the entrance to the tunnel has been closed and should not be entered.
Yes, above the Heinzelmännchen Cave, there are loungers carved into tree trunks, offering a great view over the Mimbachtal after a climb.


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