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Germany
Baden-Württemberg
Neckar-Odenwald-Kreis

Neckarzimmern

Top 6 Caves around Neckarzimmern

Caves around Neckarzimmern offer a diverse range of underground experiences. The region features historical sites, natural grottoes, and extensive man-made underground facilities. These sites provide insights into both geological formations and significant historical events. The area's landscape is characterized by the Neckar river valley and surrounding forests, providing a scenic backdrop for exploration.

Best caves around Neckarzimmern

  • The most popular caves is Lourdes Grotto, Höchstberg, a religious building and natural grotto accessible via a challenging natural staircase. This grotto…

Last updated: April 28, 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 …

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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 …

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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 …

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Notburgahöhle

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Sandstone cliff describes the entrance to the cave quite well. I saw the railing on the slope and also the probable entrance - but then I stopped at the washed-out …

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Popular around Neckarzimmern

Themenwege im Naturpark Neckartal-Odenwald

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Themenwege im Naturpark Neckartal-Odenwald

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Naturpark Neckartal-Odenwald

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Michael (Wasi)
July 19, 2025, Bundeswehr Underground Storage Facility Neckarzimmern

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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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.

Translated by Google

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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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The mountain is completely undermined and serves as a military camp. It looks really huge. Photography and filming are prohibited. But it's really exciting.

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Coming from Höchstberg, a small sign on the mountain barn shows the way from above to the grotto. From below the Untergriesheimer Weir car park, steep stairs go up.

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Frequently Asked Questions

What types of underground sites can I explore around Neckarzimmern?

The Neckarzimmern area offers a mix of historical underground facilities, natural grottoes, and extensive man-made caverns. You can find sites like the Lourdes Grotto, Höchstberg, which is a natural grotto, and significant historical locations such as the Brasse Tunnel Entrance and the massive Bundeswehr Underground Storage Facility Neckarzimmern.

Are there any historical underground sites with significant past events near Neckarzimmern?

Yes, the region has several historical sites. The Brasse Tunnel Entrance in Obrigheim was part of the 'Goldfisch' underground relocation, an aircraft engine factory during World War II, built under extreme conditions by concentration camp prisoners. The Bundeswehr Underground Storage Facility Neckarzimmern, originally an 18th-century gypsum mine, also has a long history, playing a role in both world wars before becoming a modern storage facility.

Can I visit natural stalactite caves in the Neckarzimmern area?

While Neckarzimmern itself doesn't have many natural show caves, the Eberstadt Stalactite Cave (Eberstadter Tropfsteinhöhle) is a natural wonder located a short drive away in Buchen-Eberstadt. This approximately two-million-year-old cave features impressive stalagmite and stalactite formations, along with an information center and a geological trail.

What should I know about visiting the Lourdes Grotto in Höchstberg?

The Lourdes Grotto, Höchstberg is a spiritual site accessible via a picturesque but challenging natural staircase with 256 steps. The path leads through the forest down into the Tiefenbach valley. It can be particularly slippery in wet weather, so appropriate footwear is recommended. It offers a quiet place for reflection.

Are there any challenging cave explorations or paths around Neckarzimmern?

Yes, the path to the Lourdes Grotto, Höchstberg involves a challenging natural staircase that can be slippery when wet. For a more adventurous experience, the Notburgahöhle requires climbing a washed-out 'stone ladder' and navigating a narrow path along a steep wall, making it quite adventurous and not accessible during high water levels of the Neckar.

What outdoor activities can I combine with a visit to the caves around Neckarzimmern?

The Neckarzimmern area is great for various outdoor activities. You can find numerous routes for cycling, running, and hiking. For example, there are easy hikes like the 'View of the castle – View of the weir loop' or more challenging cycling routes such as the 'Lake Roberner – Elztal Cycle Path loop'. You can explore more options on the Cycling around Neckarzimmern, Running Trails around Neckarzimmern, and Easy hikes around Neckarzimmern guide pages.

Are the caves around Neckarzimmern suitable for families with children?

The suitability depends on the specific site. While the path to the Lourdes Grotto, Höchstberg can be challenging due to its slippery steps, the Eberstadt Stalactite Cave is generally family-friendly with an information center and geological trail. The historical sites like the Brasse Tunnel Entrance offer educational value, but the Bundeswehr Underground Storage Facility Neckarzimmern requires a guide and might be less suitable for very young children due to its scale and nature.

What should I know if I want to visit the Bundeswehr Underground Storage Facility Neckarzimmern?

The Bundeswehr Underground Storage Facility Neckarzimmern is a massive complex with over 40 kilometers of roads. It stores Bundeswehr articles, and its contents are not publicly disclosed. Navigating this vast underground world requires a guide who knows the facility. Information on public access or guided tours should be sought from official sources, as it's an active military storage site.

When is the best time of year to visit the caves and underground sites around Neckarzimmern?

Many underground sites, especially those indoors or less affected by weather, can be visited year-round. However, for sites with outdoor access paths like the Lourdes Grotto, Höchstberg, spring through autumn offers the most pleasant conditions. The path to the grotto can be particularly slippery in wet weather, making drier seasons preferable. The Notburgahöhle is inaccessible during high water levels of the Neckar, so checking river conditions is crucial for that specific site.

Are there any dog-friendly options for exploring caves or nearby trails?

While specific caves might have restrictions, many hiking trails in the Neckarzimmern area are dog-friendly. You can find various routes suitable for walks with your dog, especially in the surrounding forests and along the Neckar river. Always ensure your dog is on a leash and check specific site regulations before visiting any enclosed cave or facility.

What geological features can I expect to see in the caves around Neckarzimmern?

The region offers diverse geological insights. The Eberstadt Stalactite Cave showcases impressive natural formations like stalagmites and stalactites. The Bundeswehr Underground Storage Facility Neckarzimmern is built within a former calcite (gypsum) mine, highlighting the area's mineral resources. The Notburgahöhle is carved into a sandstone cliff, demonstrating different rock types and erosion patterns.

How long does it typically take to explore the caves around Neckarzimmern?

Exploration times vary significantly by site. A visit to the Lourdes Grotto, Höchstberg, including the challenging walk, might take an hour or two. Historical sites like the Brasse Tunnel Entrance can be explored in less than an hour. For the Eberstadt Stalactite Cave, allow at least 1-2 hours for the cave tour and the information center. The Bundeswehr Underground Storage Facility Neckarzimmern, if accessible, would likely involve a longer guided tour due to its vastness.

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

MudauBuchen (Odenwald)ElztalWalldürnMosbachFahrenbachNeckargerachAglasterhausenHardheimOsterburkenHöpfingenBilligheimHüffenhardtHaßmersheimObrigheimBinauSchefflenzSeckach

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