Best caves around Kaisersesch are found within the surrounding Vulkaneifel region, an area characterized by its volcanic geology. This landscape features numerous former mining tunnels and natural formations. The region's history includes centuries of millstone mining from volcanic rock, which created many of the accessible cave systems. These sites offer insights into both geological processes and historical industrial practices.
Last updated: June 26, 2026
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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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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 Ulmener Maarstollen was completed in 2023 and connects the Jungferweiher with the Ulmener Maar. Hopefully it stays as clean and beautiful as it was when I visited yesterday.
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The Maar tunnel The city of Ulmen is making the connecting tunnel from the Jungferweiher to the Ulmener Maar accessible and accessible to the public. A unique, fascinating way to move through the interior of a volcano. The tunnel, whose construction, according to the latest findings, is related to medieval milling, is still used today to regulate the water level of the two maars, Jungferweiher and Ulmener Maar. The project is funded by the European Union from the European Regional Development Fund and the state of Rhineland-Palatinate. More information can be found here: https://www.eifel.info/a-ulmener-maar-stollen
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This tunnel was opened to the public in 2023. Opening times April to September 06:00 - 20:00 and October to March 08:00 - 17:00. Not barrier-free and 70 cm wide at the narrowest point. Should you have looked at.
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The Kaisersesch area, part of the Vulkaneifel region, offers a diverse range of caves. You can explore artificial caves formed by centuries of millstone mining, such as the Millstone Caves at Nerother Kopf, or the extensive Lavakeller in Mendig, which were created by basalt lava mining. There are also natural formations like the Buchenloch Cave near Gerolstein, formed by groundwater, and former mining tunnels like the Old Slate Mine Tunnel.
Yes, several caves are suitable for families. The Small cave on the Felsensteig is a manageable natural monument often appreciated by families and can be an exciting spot for children. The Millstone Caves are also generally accessible for families, offering a glimpse into historical mining, though a flashlight is recommended.
The caves in the Vulkaneifel region provide significant historical insights, primarily into mining. The Millstone Caves, for instance, showcase the arduous work of medieval miners extracting volcanic rock for millstones. The Lavakeller in Mendig reveal the history of basalt lava mining and its later use for beer storage by up to 28 breweries before modern refrigeration. The Bergkrone Mine Tunnel reflects over 100 years of barite mining history in Uersfeld.
The Birresborn Ice Caves are former millstone mining tunnels known for their consistently low temperatures, typically between -1°C and +4°C. This unique environment allows icicles and ice columns to persist well into summer, offering a rare experience even on hot days. They are also a listed building and serve as winter habitats for bats.
Given the nature of these caves, it's advisable to come prepared. You should wear sturdy shoes for uneven terrain and warm clothing, as temperatures inside can be consistently cool, even in summer. A flashlight is also highly recommended for exploring many of these sites, especially the Millstone Caves and during guided tours of the Birresborn Ice Caves.
The Buchenloch Cave near Gerolstein is a natural cave formed millions of years ago by groundwater, offering a more natural caving experience within a picturesque nature reserve. Additionally, the Path Along the Rock Face Near Burg Pyrmont provides a wonderful trail along a 10-meter-high rock face with a shaft entrance, showcasing impressive natural rock formations.
Many caves, like the Buchenloch Cave, are open year-round. However, some, particularly the Millstone Caves and Birresborn Ice Caves, serve as winter quarters for bats, with bat protection periods typically running from October 1st to March 31st. During these times, access might be restricted or limited to protect the bat populations. Visiting outside of these months ensures full accessibility.
The Vulkaneifel region offers numerous outdoor activities. You can find excellent gravel biking routes like the "View of the Moselle River – View of Klotten loop" from Wirfus, or cycling tours such as "The Rausch Waterfall – Ulmener Maar loop" from Kaisersesch. There are also running trails, including the "Entenweiher loop" from Kaisersesch. For more details on these activities, explore the Gravel biking around Kaisersesch, Running Trails around Kaisersesch, and Cycling around Kaisersesch guides.
Yes, guided tours are available for some of the caves. For instance, the Birresborn Ice Caves offer guided tours where helmets and torches are provided for exploration. A guided tour through the Lavakeller in Mendig is also highly recommended to fully appreciate its history and scale, often combined with a visit to the Lava-Dome museum.
The Lava-Dome museum in Mendig is an interactive museum that provides comprehensive insights into the volcanic history of the Eastern Eifel. It explains how the region's unique geology led to the formation of the extensive Lavakeller (Lava Cellars) beneath the town, which were created by mining basalt lava. A visit to the museum complements a tour of the Lavakeller, offering a deeper understanding of both the natural processes and human utilization of the volcanic landscape.
Visitors frequently appreciate the unique blend of natural beauty and historical significance. The consistently cool temperatures inside caves like the Millstone Caves and Birresborn Ice Caves make them refreshing on hot days. The historical context of mining, as seen in the Bergkrone Mine Tunnel and Lavakeller, offers a fascinating glimpse into the past. Many also enjoy the scenic trails leading to and around these sites, such as the Path Along the Rock Face Near Burg Pyrmont, which offers mega views.
As of recent information (05/08/2022), the entrance to the Bergkrone Mine Tunnel is closed and should not be entered. It's always a good idea to check local conditions or official websites for the most up-to-date access information before planning your visit to any cave.


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