Best caves around Grub are characterized by a mix of historical mining sites and natural geological formations. The area features unique crevice caves and ice holes, often found within a forested, hilly landscape. These sites offer insights into both past human activity and natural geological processes.
Last updated: May 15, 2026
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Nicely prepared tunnel entrance
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A dark chasm called the ice-hole cuts into the rock, and the chasm descends to a horrible depth. Basically there should be water, which is connected to the sea. The ice hole is called like a similar one on the great Gleichberge near Römhild: the cold hell From the depths of that horrid chasm, sighs and howls have often been heard, and it is said that these stem from the souls of the damned villagers... (Source: https://www.tourenportal-thueringer-wald.de)
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A crevice that leads about 20m into the mountain to a larger room. Accessible in dry weather, but steep.
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A station on the Ringberg Mining Trail.
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Just below the Ringberg Hotel there is a sign pointing to the mining trail.
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Here below the Ringberg you can find the butter well and its world of legends. It is located in a part where mining used to take place.
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The mining area on the Ringberg has a special position compared to the other Suhl mining areas because of the copper ore, brown iron and brownstone mines. The mining path in the summit area of the Ringberg leads specifically to mining sites where red iron ore was extracted. The "Butterbrunnenstollen" with its sagas and legends is the most vivid testimony to historical mining in Suhl. It is also used by rare bats as winter quarters. (Source: https://www.ringberghotel.de)
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The Grub area features a mix of natural geological formations and historical mining sites. You can find crevice caves like the Halsbergloch Crevice Cave, natural ice holes such as Eisloch Cave, and historical mining tunnels like the Butterbrunnen Tunnel Portal.
Yes, the Butterbrunnen Tunnel Portal is considered family-friendly. It's a man-made feature with a legendary history, located on a hiking trail to the Ringberg summit, offering an interesting historical site to explore.
The region has a rich mining history. The Butterbrunnen Tunnel Portal is a significant historical mining location on the Ringberg, connected to the 'Ehre Gottes' mine from 1691. You can also explore the Historic Mining Trail on the Ringberg, which leads to sites where copper ore, brown iron, brownstone, and red iron ore were extracted.
The Eisloch Cave goes about 10 meters diagonally down into the mountain. Surefootedness is necessary, and sturdy shoes are recommended. A flashlight is useful to see the bottom of the cave, and a 10-meter rope can be helpful for exiting on slippery, loamy soil.
The Halsbergloch Crevice Cave is a cleft cave formed in the lower shell limestone, approximately 8 meters deep. It is a natural monument and offers a challenging yet rewarding experience for visitors.
Beyond exploring the caves, you can enjoy various outdoor activities. There are numerous easy hikes around Grub, as well as cycling routes and running trails. Many of these routes pass by or are close to the cave highlights.
Yes, the Butterbrunnen Tunnel Portal is known to be used by rare bats as winter quarters, offering a chance to observe wildlife. The Eisloch Cave is a natural cave formed by landslides, showcasing geological processes.
Visitors appreciate the mix of historical significance and natural beauty. The area offers insights into past human ingenuity through mining sites and fascinating geological formations. The komoot community has given the caves around Grub 91 upvotes and shared 64 photos, highlighting their appeal.
The difficulty varies. The Butterbrunnen Tunnel Portal is considered intermediate and family-friendly. However, the Eisloch Cave and Halsbergloch Crevice Cave are rated as challenging, requiring surefootedness and appropriate gear.
Yes, the Butterbrunnen Tunnel Portal is located on a hiking trail to the Ringberg summit, which likely offers scenic views. The Historic Mining Trail on the Ringberg is also categorized as a viewpoint, providing opportunities to enjoy the surrounding landscape.
The Halsbergloch Crevice Cave is a notable example of a cleft cave formed in lower shell limestone. The Eisloch Cave is a natural cave resulting from landslides, showcasing the dynamic geological processes of the region.


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