Caves around Alter Stolberg are characterized by a unique karst landscape, featuring gypsum rock formations, sinkholes, and swallow holes. This geological setting has created distinctive solutional caves, formed by water dissolving soluble gypsum and anhydrite rocks. The region offers insights into specific types of karst formations, including one of Germany's few publicly accessible gypsum caves. These natural features provide a compelling destination for those interested in geology and natural history.
Last updated: May 19, 2026
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Popular around Alter Stolberg
In front of the information center there is also a memorial stone commemorating the victims of concentration camps and forced labor.
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The information center is free to enter and is located at the Heimkehle Nature Discovery Cave near Uftrungen. The Heimkehle Visitor Center is open from April to October, Tuesdays to Sundays and on public holidays, from 10:00 a.m. to 5:00 p.m.; from November to March, it is open from Wednesdays to Sundays and on public holidays, from 11:00 a.m. to 4:00 p.m. The staff there were very friendly, and we received a lot of interesting information.
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The path up to the cave is very steep. It can be quite slippery in places, especially on the downhill. Please be careful!
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The Reesberg Doline – I couldn't make any sense of this mysterious term at first. From the Heimkehle karst cave near Uftrungen and the Reesberg (325 m above sea level), I climbed a narrow path with a few steps through the forest area of the Old Stolberg up to the doline, a deep depression in the middle of the mountain. There, layered springs emerge from the Bunter sandstone. This gypsum-rich water flows downhill just a few meters and then disappears into the gypsum-covered main anhydrite. Over the centuries, this formed a deep solution doline. Considerable investment has been made at the Heimkehle in recent years. A beautiful playground with picnic areas, numerous information boards and interactive stations, as well as the nature park information center, invite you to linger.
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A detailed description can be found under Karstwanderung Försterhöhle. For the benefit of the bats, the cave should be off-limits to everyone.
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Not a small cave with very beautiful drip water karst. If you want to explore the entire cave you will need a lamp.
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A large show cave, unfortunately, it was badly affected by the armaments industry in World War II.
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Hard to reach. Didn't make it up. Very slippery. And you have to go down again.
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The Alter Stolberg region is known for its distinctive karst landscape, characterized by gypsum rock formations, sinkholes, and swallow holes. You'll find solutional caves formed by water dissolving soluble gypsum and anhydrite rocks. The Heimkehle Show Cave, for example, features unique trapezoidal-shaped passages, large chambers like the 'Großer Dom', and clear underground lakes such as the Thyrasee. The Goldbörnchen Karst Spring also showcases the region's hydrological system.
Yes, the Heimkehle Show Cave carries significant historical weight. During World War II, it was tragically misused as an underground armaments factory. A memorial in the Kleiner Dom serves as a powerful reminder of the concentration camp prisoners forced to work there. The Heimkehle Information Centre also has a memorial stone commemorating these victims.
Yes, the Heimkehle Show Cave is considered family-friendly. It offers guided tours along a 700-meter path, making it an accessible and educational experience for all ages. The associated visitor center also features a Natura 2000 exhibition.
The Heimkehle Show Cave is wheelchair accessible, with its 700-meter tour path designed to accommodate visitors with mobility challenges. The Heimkehle Information Centre and Shop is also wheelchair accessible.
The caves, particularly the Heimkehle Show Cave, maintain a constant temperature of around 8°C (46°F) year-round. This makes them a cool escape in summer and a consistent attraction in cooler months. The Heimkehle Visitor Center is open from April to October, Tuesdays to Sundays, and from November to March, Wednesdays to Sundays.
Due to the constant cool temperature of around 8°C (46°F) inside the caves, especially the Heimkehle Show Cave, it is advisable to pack warm clothing, even in summer. For exploring more adventurous caves like Forester's Cave, a headlamp and grippy shoe soles are essential.
Yes, the Alter Stolberg region offers various hiking opportunities. You can find several routes, including the 'Heimkehle and Alter Stolberg Loop' and the 'Green Karst Tour', which allow you to explore the natural surroundings. For more details on hiking trails, visit the Hiking around Alter Stolberg guide.
Beyond cave exploration, the region provides opportunities for various outdoor activities. You can find dedicated running trails, such as 'Der Alte Stolberg – View of Knauff Quarry loop', and waterfall hikes like 'Three-valley view (HWN 93) – Bielstein loop'. For more information, explore the Running Trails around Alter Stolberg and Waterfall hikes around Alter Stolberg guides.
A guided tour through the Heimkehle Show Cave typically lasts around an hour. For caves like Forester's Cave, the exploration time can vary depending on how thoroughly you wish to navigate its chambers, which extend over 30 meters.
Yes, near the Heimkehle Show Cave, you can find Zur Höhle Inn at Heimkehle. It offers delicious regional dishes, a selection of ice cream and cakes, and is known for its homely hospitality in an idyllic setting.
For publicly accessible show caves like Heimkehle Show Cave, you typically need to purchase a ticket for a guided tour. For other natural formations or smaller caves, specific permits are generally not required, but it's always recommended to check local regulations, especially within nature reserves.
Visitors appreciate the unique geological formations, especially the spaciousness of the Heimkehle Show Cave and its underground lakes. The historical significance of Heimkehle also leaves a lasting impression. For more adventurous explorers, the multi-chambered Forester's Cave with its drip water karst formations is a highlight.


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