Caves around Großerlach are primarily found within the picturesque Swabian-Franconian Forest, characterized by its deep-cut stream valleys and striking sandstone formations. The region features unique geological structures such as cavernous sandstone formations, niches, and grottoes, shaped by natural erosion. These natural features offer insights into the area's geology and provide varied terrain for exploration. The landscape around Großerlach is notable for its blend of natural monuments and historical sites.
Last updated: May 28, 2026
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The Hohle Stein (Hollow Stone) is located in the middle of the Tobel Gorge. It was eroded over millennia and is now a monument to erosion. A small amount of water trickles down from the ceiling of the small grotto throughout the year.
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Hollowed out sandstones with a small trickle of water on the way to a gorge on a very natural path.
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Please turn right onto the footpath just before the castle. Then after a few meters you will find the Lourdes Grotto, somewhat hidden on the left. It is one of more than 200 Lourdes Grottoes in Germany - all replicas of the famous Lourdes Grotto in southern France. Please continue on the path! It is a short circular route that is rewarded with a great view of Backnanger Bay and the castle (from below).
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... a cave secured by an iron door, which can only be looked into from the outside. However, one can see enough. To get an impression
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Here you realize the power of nature!
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Unfortunately not open to the public 😔
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If you are lucky and look closely, you might find one or two silver coins 🪙
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The Großerlach region is known for its unique geological structures, primarily featuring cavernous sandstone formations, natural niches, and grottoes. These are shaped by natural erosion within the picturesque Swabian-Franconian Forest, rather than large, traditional caves.
Yes, the area offers several impressive natural features. The Hohler Stein Erosion Natural Monument is a significant niche, 30 meters in diameter, with a 5-meter waterfall. The Hüttlenwaldschlucht (Hüttlenwald Gorge) also features striking sandstone rock faces with cavernous structures and semi-caves, offering a scenic and untamed natural experience.
You can visit the Silberstollen Spiegelberg, a historical mining tunnel around 22 meters long, representing 18th-century attempts to find ores or precious metals. Another historical site is the Lumpenloch Cave, which served as a shelter during wartime and now acts as a bat roost, historically used as an ice cave.
Generally, no special permits are required to visit the natural cave-like formations and grottoes around Großerlach, as they are typically accessible as part of public hiking trails and natural monuments.
Sturdy, waterproof footwear is highly recommended, especially when exploring areas like the Hüttlenwaldschlucht, where paths can be muddy and rocky. Layered clothing is also advisable to adapt to changing weather conditions, as some areas can be cooler or damp.
The formations can be visited year-round. The Hohler Stein Erosion Natural Monument is particularly impressive in winter when adorned with meter-long icicles, creating a unique ice formation. During warmer months, the gorges and forest paths offer a pleasant escape from the heat, though paths can be muddy after rain.
Many of the natural formations and associated trails are suitable for families. However, some paths, like those in the Hüttlenwaldschlucht, can be rocky and muddy with rope-secured sections, making them more adventurous. Always check specific trail descriptions for difficulty and suitability for younger children.
Most natural outdoor areas and hiking trails around Großerlach are dog-friendly. However, it's always best to keep dogs on a leash, especially in nature reserves or areas with wildlife, and to respect any local signage regarding pets.
The region around Großerlach offers a variety of outdoor activities. You can find numerous running trails, cycling routes, and gravel biking tours that pass by or near these geological highlights. Many trails offer scenic views and opportunities to explore the Swabian-Franconian Forest.
Yes, the Gallengrotte is a deep grotto with a rugged rocky landscape, featuring an impressive overhanging rock. There's also the Lourdes Grotto at Schloss Ebersberg, a religious site near a historical castle.
Visitors appreciate the unique natural beauty and geological interest of the area. The impressive rock formations, small waterfalls, and the opportunity to immerse oneself in unspoiled nature are frequently highlighted. The historical context of sites like the Silberstollen also adds to the appeal.


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