Best caves around Härkingen are found within the surrounding natural landscapes, particularly near the Tüfelsschlucht (Devil's Gorge) in Hägendorf. This region is characterized by karstified Jurassic limestones, leading to the formation of various caves and grottoes. The area offers a blend of geological interest and accessible outdoor experiences. Härkingen serves as a convenient starting point for exploring these natural formations.
Last updated: June 28, 2026
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Great cave at the end of the 1000er Stägli. The route in the cave is well marked with arrows.
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Was no longer easily accessible in the meantime, but is now fully accessible again (March 2025)
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This is a great place to have a barbecue – especially when it rains, as the cave is very large.
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Here is a great barbecue area!
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Exciting place, also for children. They shouldn't be too small. You climb a bit and should bring good light.
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One of several fire pits directly in the gorge. Firewood is freely available. These places are well equipped and invite you to make the hike even more pleasant with a small picnic or barbecue break.
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Great cave. It goes deep into the rock.
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Heideloch or Heidechuchi is a rock crevice that you can crawl through. Permanently installed iron grips provide the necessary hold. A few meters south of the Heideloch, you will find the Flädermus-Stübli. This cave is about 20 meters long and about 10 meters deep.
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The most popular cave is Sandloch Cave (Tüfelsschlucht — Devil's Gorge), which goes deep into the rock within the impressive Tüfelsschlucht. Another unique spot is the Covered grill area in the Verena Gorge cave, offering a convenient place for a break. For a more adventurous experience, Heideloch Cave is a rock crevice you can crawl through with fixed iron handholds.
The Tüfelsschlucht, located very close to Härkingen in Hägendorf, is a fascinating natural attraction. It's a gorge carved by the Cholersbach stream, featuring numerous bridges, impressive rock formations, waterfalls, and several caves and grottoes, including the famous Sandloch Cave. The gorge itself is a result of geological processes, showcasing karstified Jurassic limestones.
Yes, the Tüfelsschlucht trail is considered easy to walk and suitable for families, offering an adventurous hike where children can explore natural formations and smaller caves. The Covered grill area in the Verena Gorge cave also provides a family-friendly spot for picnics and breaks.
Absolutely! The Tüfelsschlucht features several accessible caves and grottoes with fire pits, perfect for picnics and relaxation. The Covered grill area in the Verena Gorge cave is specifically designed for this, offering a well-equipped spot with freely available firewood.
Many of the natural attractions, particularly within the Tüfelsschlucht, are easily accessible. The trail through the gorge is well-maintained and signposted from Hägendorf, making it convenient for visitors to explore the caves and grottoes.
For those seeking adventure, Heideloch Cave is a rock crevice that can be crawled through. It features fixed iron handholds for support, making it a spectacular and exciting experience, though it's not recommended for those with claustrophobia.
The region is characterized by karstified Jurassic limestones, which have led to the formation of various caves, grottoes, and impressive rock formations. In the Tüfelsschlucht, you'll see steep rock walls, striking formations, and numerous waterfalls, especially after rainfall, all carved by the Cholersbach stream.
Yes, the Chäsloch Cave near Winznau is known as a prehistoric dwelling. Archaeological finds, including worked flint and bone fragments, indicate its use by early inhabitants, offering a glimpse into the region's ancient past.
The caves and gorges, particularly the Tüfelsschlucht, are beautiful year-round. However, after rainfall, the waterfalls are particularly impressive, and the lush greenery adds to the unique atmosphere. Spring and autumn offer pleasant temperatures for hiking and exploration.
The area around Härkingen offers a variety of outdoor activities. You can explore numerous MTB Trails, enjoy Cycling routes, or embark on Road Cycling Routes. The Tüfelsschlucht itself provides an excellent trail for hiking and nature walks.
Yes, the circular route through the Tüfelsschlucht is a prime example. This trail allows you to explore the gorge's natural formations, including the Sandloch Cave and other grottoes, while enjoying the scenic beauty of the area. It's a great way to combine hiking with cave discovery.


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