Best caves around Hirzel are found in the broader region of Canton Zurich and nearby areas of Switzerland, offering diverse features from impressive stalactite formations to historical significance. Hirzel, now part of Horgen, is situated in the Canton of Zurich, providing access to various natural attractions. The area is characterized by its natural landscape, including rivers and forests, which often conceal these geological formations. These caves provide opportunities for exploration and offer insights into both natural history and local heritage.
Last updated: July 2, 2026
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The Höllgrotten Baar were discovered in 1863 during the mining of tuff stone and were made more and more accessible until 1917. Thanks to an artificial connecting tunnel, you can now visit the entire grotto; a tour takes about 45 minutes. The grotto is open from April 1st to October 31st from 9 a.m. to 5 p.m. Since they are privately owned, there is an admission fee. You can find more information here: https://www.hoellgrotten.ch/.
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Worth seeing. And, as with most caves, it is advisable to take a jacket with you :-)
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There's a dragon living there! No walker can resist!
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Tunnels, caves, single trails... A completely surprising and surreal area so close to the city of Zurich. The paths here are narrow and are often used for walking and hiking. Be considerate, be friendly and push your bike a bit. That way you can enjoy the Sihlsprung - and so can the others. Thank you!
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A worthwhile detour, especially with children. The path is still officially closed, but only a few people follow the detour. The "massive landslide" now looks quite tidy, and the cave is easy to enter.
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The whole path has been open again since May 2025
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Even as children, we were always fascinated by the Höllgrotten.
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Beautiful grotto in our canton of Zug
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Among the most popular caves are the Dragon Cave, known for its easy accessibility and local legend, and Höllgrotten, a spectacular dripstone cave system with unique rock formations. Visitors also enjoy the natural features By the Dorfbach, which includes a river, waterfall, and a cave.
Yes, several caves are suitable for families. The Dragon Cave is easily accessible and its dragon legend makes it exciting for children. The Höllgrotten caves offer well-lit pathways and an audioguide featuring a mischievous cave spirit, Tüüfeli, which is engaging for kids. The area By the Dorfbach also provides an easy and entertaining walk with natural features.
The caves in the region offer diverse natural features. Höllgrotten is famous for its unique stalactite and stalagmite formations, small lakes, and modern LED lighting that enhances the view. The By the Dorfbach area features a river, waterfall, and a cave, while the Anabaptists' Cave is notable for a fine waterfall flowing from above it.
Yes, the Anabaptists' Cave in Canton Zurich holds historical significance, having served as a hiding place for Anabaptists. Further afield, the Erdmannliloch / Hohfluh Cave Castle in Bachsertal is the only cave castle in Canton Zurich, offering a glimpse into medieval history and local legends.
The Höllgrotten caves are open from April through October, making spring, summer, and early autumn ideal. Their constant temperature of 8-10 degrees Celsius also makes them a cool escape during warmer summer months. For other natural caves, warmer, drier seasons generally offer more comfortable exploration, though some, like the Natural Tunnels Along the Sihl, can be wet year-round.
The region around Hirzel offers various outdoor activities. You can find numerous running trails, such as those detailed in the Running Trails around Hirzel guide. There are also mountain hikes, including routes like the 'Höllgrotten Caves – Lorze Viaducts loop', which you can find in the Mountain Hikes around Hirzel guide. Gravel biking is also popular, with routes like the 'Sihl and Lake Zurich Loop' available in the Gravel biking around Hirzel guide.
Accessibility varies. The Dragon Cave is easily reachable a few meters above a path. Höllgrotten offers well-lit pathways for a comfortable tour. However, natural sites like the Natural Tunnels Along the Sihl are not lit and can be wet, requiring good footwear and a light source. Always check specific cave details for difficulty and recommended gear.
Beyond the more prominent sites, the Anabaptists' Cave offers a less commercialized experience with historical depth and a natural waterfall. The Erdmannliloch / Hohfluh Cave Castle is also unique as the only cave castle in Canton Zurich, combining natural features with historical human activity and local legends.
Visitors frequently appreciate the unique natural formations, such as the fairytale-like stalactites in Höllgrotten. The blend of natural beauty with historical significance, like the Anabaptists' Cave, also draws interest. Many enjoy the accessibility of some caves, making them suitable for short explorations or family outings, and the opportunity to combine cave visits with hiking or biking along rivers like the Lorze or Sihl.
While a bit further, the St. Beatus Caves above Lake Thun are spectacular, featuring extensive illuminated stalactite formations, gorges, and waterfalls, along with a museum. Another significant site is the Wildkirchli Caves in Ebenalp, known for their prehistoric importance and the St. Michael chapel built into the rock. Both offer unique experiences for those willing to travel a bit more.
For developed show caves like Höllgrotten, no special gear is typically needed beyond comfortable walking shoes. However, for natural tunnels or less developed caves such as the Natural Tunnels Along the Sihl, it is highly recommended to bring a light source (like a headlamp or flashlight) as they are unlit, and wear good, waterproof footwear as paths can be wet.


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