Best caves around Mansfeld are found in the Südharz district of Saxony-Anhalt, Germany, a region characterized by impressive karst formations. The area features both natural geological caves and historical man-made underground passages. Notable natural features include gypsum and anhydrite show caves, offering unique geological insights. The landscape provides diverse opportunities for exploring underground environments.
Last updated: June 27, 2026
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Beautiful hiking trail, you can discover something different in every season.
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Great rock outcrop, everything worth knowing is on an information board, it's just a shame it's not very well maintained and a place to sit would be nice, it's a great place.🫶
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The small stone cave is located between Alexisbad and Klostermühle, right on the Selke. Nice photo opportunity
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The Pioneer Tunnel is a stop on the Selketalstieg between Alexisbad and Mägdesprung and is located on the east side of the picturesque Selke Valley. This artificial, around 10 meters long and relatively low passage was driven through the rock in May 1900 within a few days. The hiking trail leads through here. There is no alternative route over or around the rock, so if you don't want to turn back you have to squeeze through the narrow tunnel. On the south side of the tunnel you have a beautiful view of the Selke Valley and the surrounding mountains. Source: https://www.harzlife.de/bilder/pioniertunnel.html
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Last weekend (06/11/23) the door to the secret passage was ajar, but not locked!
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About 30 years ago, I explored this tunnel with the shaft with a friend. We discovered the upper end of the shaft. It doesn't end inside the ruins, but at the edge of the ruins. We were able to throw a stone in there. The upper end was so big that it was impossible to break through. I think the upper end was closed for safety reasons! I would still be able to find out where the end is today.
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20 meters to the door you can still get into the tunnel, then unfortunately closed, too bad 🥺
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The Mansfeld region is home to diverse geological formations. The Heimkehle Cave is one of Germany's two major gypsum show caves, featuring unique trapezoidal channels, glass-clear underground lakes, and a vast 'Great Cathedral' cavern. The Barbarossa Cave is unique as one of only two show caves worldwide formed in anhydrite rock, showcasing bizarre plaster flaps, blue-green shimmering lakes, and a multi-layered color play of rock.
Yes, several caves in the region hold historical importance. The Heimkehle Cave was tragically used as a bomb-proof production site during World War II, with a memorial commemorating this period. The Barbarossa Cave, discovered by miners in 1865, is deeply connected to the legend of Emperor Frederick I. Additionally, the Glasebach Adit (HWN 175) is a historical mining site, and the Secret Tunnel to Hakerode Castle offers a glimpse into historical underground passages.
Both the Heimkehle Cave and the Barbarossa Cave can only be explored as part of guided tours. Heimkehle tours typically last around 45 minutes, while Barbarossa tours also provide a comprehensive experience of its unique geology and legends.
Beyond its unique anhydrite geology, the Barbarossa Cave is famous for the legend of Emperor Frederick I, also known as Barbarossa, who is said to sleep enchanted within its depths. Visitors can see a stone throne in the 'Tanzsaal' where he supposedly rests. The cave also hosts cultural events like 'Mystical Light Worlds'.
The Heimkehle Cave is recognized as one of Germany's two major gypsum show caves and has held the title of 'National Geotope' since 2019. Its geological importance stems from its unique trapezoidal channels, a rare phenomenon for public caves, and its impressive 'Great Cathedral' cavern.
For a shorter, engaging experience that can be fun for children, consider Adolph's Rock Tunnel. It's a small rock tunnel directly on the Selke river. The guided tours at Heimkehle Cave and Barbarossa Cave are also suitable for families, offering educational and visually stimulating experiences.
Caves, especially show caves like Heimkehle and Barbarossa, maintain a cool temperature year-round, typically around 8 °C. It is highly recommended to bring a jacket or warm clothing, even during summer, to stay comfortable during your visit.
The region features several interesting man-made underground structures. The Pioneer Tunnel (Pioniertunnel) is an approximately 10-meter long rock breakthrough on the pioneer path, offering views of the Selke Valley. The Glasebach Adit (HWN 175) is a historical mining adit with a rest area. For a more adventurous experience, the Secret Tunnel to Hakerode Castle provides an exciting exploration opportunity, though a headlamp is recommended.
The Mansfeld region offers various outdoor activities. You can find numerous running trails around Mansfeld, including routes like the 'St. George's Church (Mansfeld) – View of Mansfeld Castle loop'. For cyclists, there are options for gravel biking and general cycling routes, such as the 'Bremer Teich – Bremer Pond loop' or the 'Vatterode Park Railway – Vatterode Pond loop'.
Yes, the region boasts other natural features. The Valley of the Holy Reiser, also known as the 'Grand Canyon' by Hettstedt, is a former quarry with impressive rock outcrops and small inaccessible caves. It's a great spot for scenic views and photography.
Visitors frequently appreciate the unique geological insights offered by the show caves, the rich historical context of sites like Heimkehle and Glasebach Adit, and the adventurous spirit of exploring tunnels like the Pioneer Tunnel and the Secret Tunnel to Hakerode Castle. The picturesque views, especially from the Pioneer Tunnel, and the cool, shaded rest areas at places like Glasebach Adit are also highly valued.
Yes, the guided tour through the Heimkehle Cave uniquely crosses the border between Saxony-Anhalt and Thuringia, as the state line runs right through the middle of the show cave, offering a cross-border experience.


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