Caves around Stadtlengsfeld are primarily found in the broader Rhön region, characterized by its rolling hills and natural landscapes. While significant natural cave systems are not located directly within the town, the area offers access to various underground experiences. These include former mining operations and smaller natural grottoes, often associated with local legends. The geological features of the Rhön contribute to the presence of these unique subterranean sites.
Last updated: June 27, 2026
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A really worthwhile mine trip by mountain bike to the Merkers potash mine. The tour offers a lot of interesting things and things worth seeing. For example, in the large bunker you can find the largest shovel excavator ever used underground. In the gold room we were also told a lot of interesting facts about the treasures of the German Reichsbank that were stored there during World War II. And the crystal grotto at a depth of 800m is a real feast for the eyes. But the best thing about it were the prevailing temperatures between 21°C and 28°C, even during our visit in December.
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the path to the cave is steep, slippery and dangerous. Caution!
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A concert at a depth of 500m is a great experience and will definitely not be the last. Starting with the long queue at the entrance, the journey continues with the conveyor cage (approx. 8 meters per second) and then with the team car to the deepest and largest concert hall (Wikipedia) in the world.
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The mine is a great highlight, whether small or large, everyone will be amazed.
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For the "temporary miner" the experience in Merkers begins with the rope ride, which takes him - well equipped with helmet and headlamp - to a depth of 500 meters in 80 seconds. Now the mine trip begins: It leads over around 25 kilometers of the 140 square kilometer mine field and conveys a special form of group experience in the winding, often dark stretches several hundred meters below the familiar surface. Qualified miners accompany you through a total of six stations, impart a lot of interesting information and can also share some anecdotes. The explanations are tailored to the individual interests of the visitor groups. Source and more information: https://www.thueringen.info/erlebnisbergwerk-merkers.html
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Very very nice and I can only recommend it. An absolute highlight is on birthdays for children, because there is a very nice surprise
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Ancient yew trees, nice and shady in summer
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The yew stock was placed under protection on June 26, 1935. It is the oldest nature reserve in the Rhön and one of the oldest in Thuringia. The forest manager at the time, Otto Staudt (1920–1936), had pushed this through. The strongest specimens have trunk circumferences of approx. 2.5 m. The Ibenwald can be hiked through on a circular route.
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The area around Stadtlengsfeld offers a mix of natural grottoes and historical mining sites. While large natural cave systems are not directly in town, you can explore smaller natural caves, often with historical associations, and extensive former mines that provide guided tours.
Yes, several options are suitable for families. The Erlebnisbergwerk Merkers Crystal Grotto is family-friendly, though children under 10 are not permitted on the mine ride. For a more natural experience, the Rhönpaulus Cave in the Ibengarten and Paulushöhle (Rhönpaulus' Hideout) are also considered family-friendly, with the latter even offering a treasure hunt for kids.
The Erlebnisbergwerk Merkers Crystal Grotto is a former potash mine offering underground tours to a depth of 800 meters. Visitors can see a unique crystal grotto with sparkling salt crystals, historical exhibits on potash mining, and the legendary Reichsbank treasure in the historic gold room. Tours last about 2.5-3 hours, and temperatures underground are 21-28 degrees Celsius. Helmets and coats are provided and mandatory.
Yes, ticket reservation by phone in advance is required for the Erlebnisbergwerk Merkers Crystal Grotto, as there are limited tickets available at the box office.
The Paulus Cave (Paulus Höhle) in the Ibengarten is situated within the Ibengarten nature reserve, which is famous for its ancient yew trees, some up to 800 years old. This nature reserve is the oldest in the Rhön and one of the oldest in Thuringia, offering a circular route for hiking.
Yes, the Rhönpaulus Cave in the Ibengarten and Paulushöhle (Rhönpaulus' Hideout) are both linked to the legendary figure Rhönpaulus, a historical robber from the Rhön region. Another site, the Rhönpaulus Cave (Baier Cave), is also attributed as a hideout for this figure, though the path to it can be steep and challenging.
For the Erlebnisbergwerk Merkers Crystal Grotto, underground tours are available from April to October, Tuesday to Saturday at 9:30 am and 1:30 pm, and Sunday at 10:30 am. From January to March and November to December, tours run Tuesday to Saturday at 9:30 am and 1:30 pm, but are closed on Sundays. Natural caves and grottoes in the Ibengarten can generally be visited year-round, but always check local conditions, especially during winter.
For the Erlebnisbergwerk Merkers Crystal Grotto, a Bergkittel (mine coat) and helmet are provided and obligatory to wear. Temperatures underground are consistently between 21-28 degrees Celsius. For natural caves, comfortable walking shoes and layers of clothing are advisable, as temperatures can be cooler and paths uneven.
Yes, the Ibengarten nature reserve, home to the Paulus and Rhönpaulus Caves, offers a circular route for hiking. Additionally, you can find various running trails around Stadtlengsfeld, including routes like the 'Lengsfeld Castle loop' or the 'Old Weiler-Urnhausen Station – View of Baier loop'. You can explore more options on the Running Trails around Stadtlengsfeld guide.
Beyond exploring the caves, the region offers opportunities for cycling. You can find various routes for gravel biking, such as the 'Immelborn pond – Pleß Post Column loop', or road cycling, including the 'Old Bridge Stadtlengsfeld – Lengsfeld Castle loop'. For more details, check the Gravel biking around Stadtlengsfeld guide and the Road Cycling Routes around Stadtlengsfeld guide.
Visitors particularly enjoy the unique experience of the Erlebnisbergwerk Merkers Crystal Grotto, with its impressive salt crystals and historical insights. The natural beauty and ancient yew trees of the Ibengarten, where the Paulus Cave and Rhönpaulus Cave are located, are also highly valued by the komoot community.


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