Best caves around Karlovarský kraj are predominantly historic mining sites and unique geological formations. The region, located in the Czech Republic, offers a diverse underground landscape. It is characterized by its rich mining heritage, particularly tin mining, and distinctive natural features. These sites provide insight into both human industrial history and geological processes.
Last updated: July 9, 2026
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Former water intake with tunnel.
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Interesting information that one can read here
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Old rock cellar on the footpath and cycle path between Bad Elster and Grün.
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with bridge
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local volcano Komorní hůrka, a nature trail leads around it
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The underground passage has a total length of 185 meters. The tunnel was last used as a vegetable cellar.
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The Barbora tunnel was secured in 2007. Previously, the tunnel's mouth was filled with rubble, and only the intensely colored outflow of the mine water revealed its location.
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The Petrus Tunnel is a hereditary tunnel, a tunnel built beneath the actual ore extraction tunnels for drainage purposes. It was intended to divert water from a series of older mine workings in the Lochner Mountains into the Zwodau River. The tunnel is 711 fathoms long, or at least that's how it is recorded in historical sources. Based on the then-standard Viennese fathoms of 1.8965 meters, the tunnel is 1.35 kilometers long. The Petrus Tunnel allowed ore mining to continue in an area almost as far as Bleistadt (Olovi), 2.2 kilometers away.
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The Karlovarský kraj region is primarily known for its historic mining sites and unique geological formations, rather than traditional karst caves with stalactites and stalagmites. You'll find ancient tin mines, volcanic formations, and distinctive pseudokarst cavities.
Two of the most significant historical mining sites are Důl Mauritius and Štola Johannes. Both are part of the UNESCO World Heritage Site 'Mining Region Erzgebirge/Krušnohoří' and offer deep insights into centuries of mining history. Důl Mauritius is the largest tin mine in the Czech Ore Mountains, while Štola Johannes is renowned for its exceptionally well-preserved complex and enormous underground chambers.
Skalky skřítků is a national natural monument featuring dozens of pseudokarst cavities formed in volcanic breccia. These unique cylindrical or oval holes, ranging from 1 to 150 cm in diameter and up to five meters deep, are the only formations of their kind in the Czech Republic. Local folklore tells of dwarves who once lived in these 'abandoned dwellings.' You can learn more about them on Wikipedia.
The Eispinge (Ice Pit) is a gorge created by the mining of the Georg ore vein. It's a unique natural monument where ice can often be found even in late summer. Access is via a steep staircase, and visitors often comment on the cool temperatures and the impressive sight.
When visiting sites like Důl Mauritius or Štola Johannes, it's essential to dress warmly and wear sturdy, waterproof footwear. The underground temperature remains a constant 7°C (45°F), and conditions can be damp. Visitors are typically provided with safety helmets, headlamps, raincoats, and sometimes gloves for guided tours.
While many mining sites offer educational tours suitable for older children interested in history, the conditions (cold, damp, sometimes challenging terrain) might not be ideal for very young children. Skalky skřítků, with its unique geological formations and local folklore about dwarves, offers a more accessible and imaginative natural experience that families might enjoy, accessible via marked hiking trails.
The Karlovarský kraj region offers various outdoor activities. You can find numerous hiking trails around the Doupovské Hory, Skalky skřítků, Štola Johannes, and Důl Mauritius. The region is also popular for road cycling and running, with routes like the 'Loket Castle and the Old Town' loop or trails around Karlovy Vary.
The Kammerbühl Volcano is a cinder cone, approximately 72,000 years old, and one of the only volcanoes active in prehistoric times in the Czech Republic. It is a Czech natural monument and was even visited by Goethe. While not a 'cave' in the traditional sense, it represents a significant geological feature of the region.
Yes, beyond the major mines, the region has several smaller historical tunnels and adits. These include the Former Mining Tunnel at Kaiserhammer, which can serve as shelter, the Laurentius-Erbstollen (Vavřinec Adit), and the Historical Water Tunnel Krasna, which is 185 meters long and was once used as a vegetable cellar.
Visitors frequently highlight the immersive historical experience offered by the mining sites, appreciating the knowledgeable guides and the tangible sense of walking through centuries of industrial heritage. For natural sites like Skalky skřítků, the unique geological formations and local legends are a major draw. The cool, stable temperatures underground are also often mentioned as a welcome respite during warmer months.
While specific public transport details vary by site, many attractions in Karlovarský kraj are accessible via local bus routes or train connections, often requiring a short walk from the nearest stop. For Důl Mauritius, Štola Johannes, and Skalky skřítků, it's advisable to check local transport schedules in advance, as some locations might be more easily reached by car, especially those in more remote areas like the Doupovské Hory.
Generally, dogs are not permitted inside guided underground tours of mining sites due to safety regulations and the nature of the environment. However, many of the surrounding natural areas and hiking trails, such as those near Skalky skřítků or the Doupovské Hory, are dog-friendly, provided dogs are kept on a leash. Always check specific site regulations before your visit.


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