Best caves around Densborn are found within the surrounding Volcanic Eifel region, known for its unique geological formations. This area features a landscape shaped by volcanic activity and the slow work of water, resulting in various cave types. Visitors can explore both natural karst caves and artificial caves created through historical mining. The region offers insights into geological processes and past human industry.
Last updated: April 28, 2026
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I would recommend just reading the information board and not climbing up to the rock with the small caves. You can catch a glimpse of the barred cave entrances, but that's all.
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The Hohl-Ley Caves, the gateway to the underworld, as the informative sign on site calls these bat caves and informs about the biodiversity that is found there. The climb is steep, and the cave entrances have a grille to protect the animals. Still, it's worth taking a look inside.
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"One day we throw off the "light" rucksacks and climb a steep path, through fields of wild garlic in bloom, up the slope to the Hohl-Ley cave; called "Gateway to the Underworld" because there are many animals in the grotto system, quite a few are named bat species, find sanctuary.” https://www.komoot.de/tour/780244919
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Great nature trail, always something new to discover and not only interesting for children
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Since there is practically no light in these caves, there are hardly any green plants to be found inside. Only a few mosses and lichens limit their growth to the entrance area. The caves go about 12 meters into the mountain, but are not accessible to visitors.
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When you enter the Birresborn Ice Caves, the cold comes first. For centuries the so-called "ice caves" were used as ice storage facilities, even in hot summers the temperature does not rise above 7 degrees. Just one of many possible uses over time. The history of the caves as a mining site for coveted millstones is still recognizable today. The millstones were used nationwide to grind oak bark, which was then used as a tannin in leather processing. From quarry to refuge, the caves became a haven during World War II and other times of need. Today bats use the caves as winter quarters, so for nature conservation reasons the ice caves in Birresborn are only open from April to October. Tip: sturdy shoes and a flashlight are recommended for visiting the caves. https://www.gerolsteiner-land.de/a-birresborner-eishoehlen-1
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The forest nature trail has only been newly created. There is a lot to discover on the way to the ice caves; Tree species, seeds of trees, former quarries, forest inhabitants, mineral resources and much more.
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The region around Densborn, part of the Volcanic Eifel, offers a diverse range of caves. You can explore natural karst formations like the Hohl-Ley Cave, as well as artificial caves created through historical mining, such as the Birresborn Ice Caves, which were originally millstone quarries. There are also other millstone caves and even former lead mines like the Goldglück Former Lead Mine.
The Birresborn Ice Caves are unique because they were originally millstone quarries, not naturally formed ice caves. Due to their specific structure, they maintain constant low temperatures between -1°C and +4°C, allowing ice formations to persist well into the summer months. They also serve as a crucial winter refuge for numerous bat species.
The Birresborn Ice Caves are generally accessible from April to October. They are closed from October 1st to March 31st to protect hibernating bats, in accordance with nature conservation regulations.
Yes, the region offers options suitable for families. The Birresborn Ice Caves Forest Educational Trail is a great choice, leading to the ice caves and highlighting tree species, former quarries, and the local ecosystem, making it interesting for children and adults alike.
For a comfortable and safe experience, it's recommended to wear sturdy shoes. Many caves, especially the millstone caves, are unlit, so bringing a flashlight is essential. Depending on the cave, a helmet might also be advisable for a more rugged exploration.
Many caves in the Volcanic Eifel region, including those near Densborn, hold significant historical value. The millstone caves, such as the Birresborn Ice Caves, are artificial caves created by centuries of basalt extraction for millstones, offering insight into medieval mining practices. The Goldglück Former Lead Mine also showcases the region's mining history, with operations dating back potentially to Roman times.
Yes, the Hohl-Ley Cave is a natural karst formation, created by the dissolving power of groundwater over millions of years. It's known for providing shelter for bats and other wildlife, with its interior extending about 12 meters into the mountain.
The area around Densborn is excellent for various outdoor activities. You can find numerous hiking trails, including those that lead directly to cave sites. For example, there are many options for hiking around Densborn, with routes like the 'View of the Kyll Valley – Braunebach Stream loop'. The region also offers opportunities for gravel biking and running trails.
Yes, several highlights combine cave exploration with scenic views. For instance, the Kobesloch Hut, while not a cave itself, is located in an area with cave features and offers a great view over the Lieser Valley, making it an ideal spot for a break during your exploration.
The caves around Densborn are highly appreciated by the komoot community. Users have shared over 590 photos and given more than 550 upvotes, highlighting the unique geological formations, historical significance, and the refreshing experience of the ice caves. Many also enjoy the educational trails and the natural beauty of the surrounding forest.
Beyond the Birresborn Ice Caves, which originated as millstone quarries, the Vulkaneifel region features several other millstone caves. These artificial caves, carved out for basalt extraction, can be found at locations like Nerother Kopf and Rother Kopf near Gerolstein, offering further insights into the ancient industry.


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