Caves around Binau are located in the Neckar-Odenwald-Kreis district of Baden-Württemberg, Germany, an area characterized by the Neckar River and surrounding natural landscapes. While Binau itself is known for hiking opportunities, the notable underground features are found in the surrounding region. These sites include both natural rock formations and significant man-made tunnels. The area offers insights into local geology and historical uses of underground spaces.
Last updated: June 26, 2026
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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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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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In the hot summer, feeling the cool breeze in front of it - indescribable
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The gypsum tunnel in Neckarzimmern in the Neckar-Odenwald district is a widely ramified tunnel system in which around 170,000 m⊃2; area and more than 40 km of road and rail routes are used by the Bundeswehr. The mine, which was originally used for gypsum mining and dates back to the 18th century, played an important role in the war economy of both world wars. Some of the access roads are located directly on the B 27. (Source www.arwjunker.de)
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The region around Binau offers a mix of natural rock formations and significant man-made underground spaces. You can find historical tunnel systems, natural rock shelters, and repurposed underground facilities, each providing insights into local geology and historical uses of these spaces.
Yes, the area features several sites with historical significance. The Brasse Tunnel Entrance is a notable historical site, part of the "Goldfisch" underground relocation that served as an aircraft engine factory during World War II. Another is the Bundeswehr Underground Storage Facility Neckarzimmern, an extensive underground complex that was originally an 18th-century gypsum mine and played a role in both world wars.
Yes, you can visit natural cave formations such as the Rock cave, which offers a wonderful view and is surrounded by beautiful hiking trails. Another natural cave is the Notburgahöhle, located directly on the Neckar River.
The Rock cave is considered family-friendly, offering a pleasant route with scenic views and accessible hiking trails nearby.
The Notburgahöhle presents a more challenging experience. Access involves climbing a washed-out "stone ladder" and navigating a very narrow path along a steep wall. It is directly on the Neckar, so access can be difficult or impossible during high water.
The Bundeswehr Underground Storage Facility Neckarzimmern is a massive underground complex, originally an 18th-century gypsum mine. It spans approximately 170,000 square meters with over 40 kilometers of roads and paths, used today by the Bundeswehr for storage. What exactly is stored there remains a secret.
The area around Binau is excellent for various outdoor activities. You can find numerous options for hiking, cycling, and mountain biking. For hiking, explore easy hikes around Binau. Cyclists can discover routes in Cycling around Binau, and mountain bikers have options in MTB Trails around Binau.
Yes, many caves, like the Rock cave, are situated along beautiful hiking trails. You can find a variety of routes, including easy hikes, to explore the picturesque landscapes around Binau. Check out easy hikes around Binau for more options.
Absolutely. The region offers diverse terrain for both cycling and mountain biking. You can find routes ranging from moderate to difficult. Explore options in Cycling around Binau and MTB Trails around Binau.
Visitors appreciate the blend of historical significance and natural beauty. The Brasse Tunnel Entrance offers a glimpse into history, while the Rock cave is loved for its wonderful views and surrounding hiking opportunities. The community has contributed over 170 upvotes and 169 photos, documenting their diverse experiences.
While there's no specific 'best time' for all caves, it's important to consider conditions for certain sites. For instance, the Notburgahöhle, located directly on the Neckar, may be inaccessible during periods of high water. Generally, pleasant weather for hiking would enhance the experience of visiting natural caves and their surrounding trails.


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