Best caves around Pomster are found within the broader Eifel region, a landscape characterized by its diverse geology. This area, part of the Ahrweiler district in Rhineland-Palatinate, Germany, features karstified limestone and volcanic formations. Visitors can explore a range of natural phenomena, from prehistoric rock caves to unique volcanic structures. The region offers insights into geological history and ancient human activity.
Last updated: June 27, 2026
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A little north of the two villages of Walsdorf and Zilsdorf is a highlight that every visitor to the Eifel with at least a little geological interest should have on their wish list: The Arensberg volcano. Since this is created separately (and unfortunately, multiple times in the komoot system), here is only the access, a tunnel of non-natural origin. A covered passage has been created to protect visitors from possible falling rocks.
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"In the local parlance, the parcel of land with the three tunnel entrances in the so-called Kupferberg has always been referred to as the "Goldloch." However, neither gold nor other precious metals have brought any monetary benefit to the island's citizens in recent times. Rather, after mining ceased in the 1930s, the tunnels served as a refuge from bombing raids during World War II and, for a long time, as a secret adventure playground for children. In the summer of 2015, the local community cleared the area. The entrances were then professionally sealed and secured. The forecourt has been converted into an information center about the mines, including a miner's hut, which also serves as a shelter for hikers and cyclists. The open spaces inside the hut are equipped with information panels on geology and the importance of mining for the Eifel region, vividly conveying the history." Source: 750 Years Commemorative Publication| Life in Insul https://www.hocheifel-nuerburgring.de/a-bergbau-informationsstaette-goldloch-insul
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The islanders have always called the parcel of land with the three tunnel entrances on the Kupferberg the "Goldloch" (Gold Hole) – even though no gold was ever found there. After mining ceased in the 1930s, the tunnels were used as shelters during World War II and later became a secret adventure playground for children. In 2015, the municipality cleared the area, secured the entrances, and built a miner's hut. Today, there is information about geology and mining history there – and hikers and cyclists can use the hut as a shelter.
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A plot of land with three tunnel entrances in the so-called Kupferberg in Insul has long been known as the Goldloch. Mining there was abandoned in the 1930s. During World War II, the tunnels served as places of refuge from bombing raids. For Insul children, the Goldloch was an adventure playground for a long time. Source: https://www.aw-wiki.de/index.php/Goldloch_Insul
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The impressive structure of this open-air Stations of the Cross, beautifully embedded in nature a little above the village of Adenau, has two grottos: + At the beginning one with a depiction of Jesus' prayer on the Mount of Olives, + At the end one with a depiction of the burial of Jesus. In between, the well-known 14 Stations of the Cross are lined up along the Stations of the Cross.
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This access to the volcano is well worth seeing.
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<< Adenauer Way of the Cross >> "The neo-Gothic Way of the Cross is within walking distance of the market square in Adenau and can be described as a unique cultural monument due to its location and its charming composition of various stone materials from the Upper Eifel. The length of the stations is approx. 700 m with a difference in altitude of approx. 75 m. The historic Way of the Cross is also a small section of the EIFELLEITER premium hiking trail." https://www.eifel.info/a-adenauer-kreuzweg
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A beautiful passage into the interior of the volcano. Especially since your eyes have to get used to the lighting conditions. You walk into this tunnel almost blind. There's something mystical about it.
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The region around Pomster, part of the Eifel, offers a diverse range of geological formations. You can find prehistoric rock caves, volcanic caves, and historical mining tunnels. Examples include the Tunnel Entrance to the Volcano Crater, which is a volcanic formation, and the Goldloch Insul Mining Information Site, which features old mining tunnels.
Yes, the Goldloch Insul Mining Information Site is considered family-friendly. It offers a nice rest area with explanations about historical ore and gold mining, and the tunnels themselves were once an adventure playground for local children. The Buchenlochhöhle near Gerolstein is also a prehistoric rock cave that is generally accessible and interesting for families.
The Burial Grotto on the Adenau Way of the Cross is a significant historical and religious site, featuring two grottos as part of a neo-Gothic Stations of the Cross. Additionally, the Goldloch Insul Mining Information Site provides insight into the region's mining history, with tunnels that served as refuge during WWII. Further afield, the Buchenlochhöhle near Gerolstein is a prehistoric rock cave used by Neanderthals, and the Kakushöhle is one of Europe's oldest archaeological sites.
Beyond traditional caves, the Eifel region is home to the unique Dreimühlen Waterfall, often called a 'growing waterfall.' It's formed by continuous limestone deposits from three carbonate-rich springs, causing it to grow downstream annually. This natural monument is a fascinating example of the geological processes that also create caves in the area.
When visiting caves in the Eifel region, it's generally recommended to wear sturdy shoes. For less developed caves or those with darker passages, bringing a flashlight is advisable. Some areas might also benefit from a helmet for safety.
The Tunnel Entrance to the Volcano Crater offers a mystical experience with its narrow and dark passage. The Trass Caves in the Brohl Valley also provide an adventurous experience, with some low cave shafts requiring a flashlight for exploration. For the Arensberg Lava Cave and Tunnel, be aware of barbed wire if climbing.
Most caves and related geological sites in the Eifel region are accessible year-round. However, some less developed caves might be temporarily closed during winter to protect hibernating bats. The Dreimühlen Waterfall transforms into a fairytale sculpture with icy formations in winter, offering a unique seasonal experience.
Absolutely. Many cave sites are integrated into hiking and cycling networks. For instance, the Dreimühlen Waterfall is on the Eifelsteig premium hiking trail and the Kalkeifel cycle path, with a dedicated 'Waterfall Loop' hike. The Buchenlochhöhle is part of the 'Gerolsteiner Felsenpfad.' You can also find various cycling routes around Pomster, including touring, road cycling, and MTB trails. Explore options like Cycling around Pomster or MTB Trails around Pomster.
The caves around Pomster are primarily formed in the Eifel region's karstified limestone and volcanic tuff. This geology leads to diverse formations, from solution caves like the Rock overhang with wooden cross below the Dreimühlen ruin (created by karstification) to volcanic structures like the Arensberg Lava Cave and Tunnel and the Trass Caves, which are formed in volcanic tuff.
While not strictly 'hidden,' the Millstone Caves in the Gerolstein region offer impressive cave labyrinths formed by centuries of basalt extraction. These were also used as natural 'refrigerators' and can form icicles in cold winters, providing a unique experience beyond the more commonly known sites.
Visitors appreciate the blend of natural beauty and historical significance. The mystical experience of exploring dark passages, the unique geological formations like the 'growing waterfall,' and the insights into prehistoric human activity and mining history are frequently highlighted. The opportunity to combine cave visits with scenic hikes and bike rides also adds to the appeal.


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