Best caves around Obernau offers a collection of 6 caves, many of which are historical mining tunnels. The region features a mix of natural cave formations and man-made historical sites, providing insights into past mining activities. These locations are appreciated by the komoot community for their historical significance and natural appeal.
Last updated: May 14, 2026
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Highlight • Historical Site
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Possibility of rest and view of the tunnel and the castle
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The tunnel addresses the history of mining. The last time I visited the tunnel, there were lots of small bats living there. The history is also explained in detail on site.
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Beautiful and especially great for families!
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The tunnel was named after Otto von Bismarck. You can find more detailed information on the information boards on site.
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Unfortunately I didn't have time to visit the tunnel.
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A great path with many highlights
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Just great ... Bach, Stollen & Wichtelweg
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The caves around Obernau primarily consist of historical mining tunnels, offering a glimpse into the region's industrial past. You'll also find some natural cave formations, providing a mix of man-made and geological features.
Among the most popular is the Otto Tunnel, which traces the history of mining and features informative boards. Another highly regarded spot is the Lammerichskaule Mine Tunnel, a historical site from 1850 with information boards along the ore hiking trail.
Yes, the Alvenslebenstollen, a 1546-meter-long historical mining tunnel, can be viewed by prior appointment. It also includes a rest area for visitors.
Yes, the Erbach Trail and Pawnee Bat Tunnel is considered family-friendly. It's a trail that includes a bat gallery, offering an interesting experience for all ages.
Many caves, like the Otto Tunnel and Lammerichskaule Mine Tunnel, are former mining sites. They offer insights into the region's mining heritage, with information boards explaining their history and significance. The Alvenslebenstollen, for instance, is a legacy of the Louise mine.
The Gold Hole and the Boller-Mosch has a local legend. Around 1750, a figure known as the 'Boller Mosch' was said to haunt the Mehrbachtal, hitting trees and screaming. This was later unmasked as a miner who lived in a forest hut nearby.
The Obernau area is great for cycling. You can find various routes for road cycling, touring, and gravel biking. For example, explore Road Cycling Routes around Obernau, Cycling around Obernau, or Gravel biking around Obernau, which offer routes of varying difficulties.
Visitors appreciate the historical significance of the mining tunnels and the natural appeal of the cave formations. The presence of information boards at sites like the Otto Tunnel and Lammerichskaule Mine Tunnel is often highlighted for enhancing the experience.
While Obernau focuses on mining tunnels, Germany has many 'show caves' equipped for visitors, such as the Atta Cave in Sauerland or Devil's Cave in Franconian Switzerland, which showcase extensive geological formations and offer guided tours. These provide a different, often more developed, cave exploration experience.
Many of the historical sites, such as the Otto Tunnel and Lammerichskaule Mine Tunnel, have information boards on site that detail their history and significance. These provide direct context as you explore.
The guide highlights a mix of experiences. Some, like the Erbach Trail and Pawnee Bat Tunnel, are part of trails and are noted as family-friendly. For specific access details, especially for sites like the Alvenslebenstollen which requires an appointment, it's best to check individual highlight details.


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