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Germany
Baden-Württemberg
Neckar-Odenwald-Kreis

Elztal

Top 11 Caves around Elztal

Best caves around Elztal are found within the Odenwald region, a landscape characterized by forests, hills, and river valleys. While Elztal itself features various underground sites, the broader area is known for significant geological formations like the Eberstadt Stalactite Cave. The region offers a mix of natural rock shelters, historical underground facilities, and religious grottos. These sites provide insight into both natural history and human activity in the area.

Best caves around Elztal

  • The most popular caves is Lourdes Grotto, Höchstberg, a religious building that offers a quiet place for prayer and reflection. This grotto is a replica of the famous Grotto of Lourdes in France, accessible via a natural staircase.
  • Another must-see spot is Brasse Tunnel Entrance, a historical site. This tunnel entrance is part of the historic "Goldfisch" underground relocation, which served as an underground aircraft engine factory during World War II.
  • Visitors also love Felsenhaus (Robbers' Rock House), a natural monument. This overhanging rock formation is associated with the legendary robber Holzlips and offers opportunities for climbing.
  • Elztal is known for natural rock formations, historical underground sites, and religious grottos. These include accessible grotto replicas and remnants of wartime industrial facilities.
  • The caves around Elztal are appreciated by the komoot community, with more than 200 upvotes and 299 photos shared across various highlights.

Last updated: June 22, 2026

Lourdes Grotto, Höchstberg

Highlight • Religious Site

The natural staircase to the Lourdes Grotto in Höchstberg is a picturesque yet challenging path that leads pilgrims and hikers to the grotto. This staircase consists of 256 slippery and varied natural steps that lead through the forest down into the Tiefenbach valley. The path is particularly challenging in wet weather as the steps can be slippery.

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Brasse Tunnel Entrance

Highlight • Historical Site

The "Brasse" tunnel entrance is part of the historic "Goldfisch" underground relocation in Obrigheim, which served as an underground aircraft engine factory during World War II. The "Brasse" tunnel was a planned expansion, but only partially realized. These tunnels were built by concentration camp prisoners and forced laborers under extreme conditions.

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Felsenhaus (Robbers' Rock House)

Highlight • Natural Monument

beautiful overhanging rock ....

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Marian Grotto Einbach

Highlight • Religious Site

A really nice grotto ...

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The whole mountain is hollowed out here ... The underground facility of the Bundeswehr in Neckarzimmern has an area of around 170,000 square meters. Around 193,000 different Bundeswehr articles are stored in this area. What is in the boxes is left to your own imagination. The Bundeswehr does not provide any more detailed information. The more than 40 kilometers of streets and paths of the UTA are so branched that it is impossible to find your way down here without a guide who knows the place or the proverbial thread of Ariadne. Calcite was originally mined here in the early 18th century.

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Marco SMG
July 21, 2025, Mariengrotte Einbach

Easy, just a few steps, hidden in the forest, but already signposted on the road, you will find this well-kept gem.

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The Bundeswehr's underground facility in Neckarzimmern is a huge, complex warehouse with approximately 170,000 square meters of space and over 40 kilometers of roads and railways – originally a gypsum mine dating back to the 18th century. Today, over 190,000 items are stored there, but what exactly is in the crates remains secret.

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A long staircase of irregular sandstone steps leads to this beautiful spot. At the top, you can sit in a small covered arbor, enjoy the view, and listen to the babbling brook. Many thanks to everyone who cares for and maintains this place.

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The "Brasse" tunnel entrance is part of the historic "Goldfisch" underground relocation in Obrigheim, which served as an underground aircraft engine factory during World War II. The "Brasse" tunnel was a planned expansion, but only partially realized. These tunnels were built by concentration camp prisoners and forced laborers under extreme conditions.

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Massive rock formation… a suitable place to hide in the dry in case of a rain shower

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Beautiful rock formation covered with moss that encourages climbing… ⚠️… slippery

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The natural staircase to the Lourdes Grotto in Höchstberg is a picturesque yet challenging path that leads pilgrims and hikers to the grotto. This staircase consists of 256 slippery and varied natural steps that lead through the forest down into the Tiefenbach valley. The path is particularly challenging in wet weather as the steps can be slippery.

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This grotto is a replica of the famous Grotto of Lourdes in France and offers a quiet place for prayer and reflection. The grotto is a place of peace and quiet, surrounded by nature and offers a wonderful way to escape from everyday life and enjoy a moment of silence.

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Frequently Asked Questions

What is the most significant natural cave attraction near Elztal?

The most significant natural cave attraction in the broader Odenwald region near Elztal is the Eberstadt Stalactite Cave (Eberstadter Tropfsteinhöhle). Discovered in 1971, it's renowned for its diverse and beautiful stalactite formations and is considered one of Europe's most impressive stalactite caves.

Are there any historical underground sites to explore near Elztal?

Yes, the region features several historical underground sites. One notable example is the Brasse Tunnel Entrance, which is part of the historic "Goldfisch" underground relocation, a former World War II aircraft engine factory. Another is the Bundeswehr Underground Storage Facility in Neckarzimmern, a vast former gypsum mine now used for storage.

Are there family-friendly caves or rock formations around Elztal?

Yes, the Felsenhaus (Robbers' Rock House) is a natural monument that is considered family-friendly. It's an overhanging rock formation associated with local legends and offers opportunities for children to climb.

What kind of religious grottos can be found in the Elztal area?

The Elztal area is home to several religious grottos. The Lourdes Grotto, Höchstberg, is a replica of the famous grotto in France, offering a quiet place for reflection. Another is the Marian Grotto Einbach, built in the 1930s, where many gather to honor Mary, especially on Sunday evenings in May.

What are the accessibility options for the Eberstadt Stalactite Cave?

The Eberstadt Stalactite Cave is well-developed for visitors. It offers guided tours with paths that are designed to be accessible, allowing even walking-impaired persons and wheelchair users to visit with assistance. The main path is 600 meters long, with widths between 2 and 7 meters.

What is the temperature like inside the Eberstadt Stalactite Cave?

The Eberstadt Stalactite Cave maintains a constant temperature of 11 degrees Celsius (52 degrees Fahrenheit) and a humidity level of approximately 95% year-round. Visitors should dress accordingly.

What outdoor activities can I do near the caves around Elztal?

The region around Elztal offers various outdoor activities. You can find numerous hiking trails, including the Römerpfad Quality Trail: Elztal Minerva route, and easy hikes like the Mariental Trout Farm loop. For cycling enthusiasts, there are MTB trails such as the Lake Roberner – Mülben Lake loop. You can explore more options in the Hiking around Elztal or MTB Trails around Elztal guides.

Are there any specific hiking trails that lead to the religious grottos?

Yes, for instance, the Lourdes Grotto, Höchstberg, is accessible via a picturesque but challenging natural staircase consisting of 256 steps that lead through the forest into the Tiefenbach valley. It can be slippery in wet weather.

What is the historical significance of the Felsenhaus (Robbers' Rock House)?

The Felsenhaus (Robbers' Rock House) is associated with the legendary robber Holzlips, who reportedly used this overhanging rock formation as a hideout with his gang. It's a place where history and local folklore intertwine.

What do visitors particularly enjoy about the caves and underground sites in Elztal?

Visitors appreciate the diverse nature of the sites, from the natural beauty of rock formations like the Felsenhaus, which offers climbing opportunities, to the peaceful atmosphere of religious sites like the Lourdes Grotto. The historical depth of sites like the Brasse Tunnel Entrance also draws interest, providing insight into the region's past.

Are there any other historical underground structures besides the Brasse Tunnel?

Yes, the Bundeswehr Underground Storage Facility in Neckarzimmern is another significant historical underground structure. Originally a gypsum mine dating back to the 18th century, it was later used during both World Wars and now serves as a vast storage facility for the Bundeswehr, with over 40 kilometers of roads and railways within the mountain.

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

MudauBuchen (Odenwald)WalldürnMosbachFahrenbachNeckargerachHardheimAglasterhausenOsterburkenHöpfingenBilligheimNeckarzimmernHaßmersheimHüffenhardtBinauObrigheimSchefflenzSeckach

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