Best caves around Wädenswil are found within a reasonable distance, offering diverse geological features. Wädenswil, located on Lake Zurich, provides access to both natural and man-made cave-like structures. The surrounding landscape features forested areas and river valleys, shaped by natural processes. These areas offer opportunities for outdoor exploration, including hiking trails that lead to various cave formations.
Last updated: May 4, 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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The most popular cave attractions include the renowned Höllgrotten, famous for its intricate stalactite formations. Another favorite is the Dragon Cave, known for its legend, and the Züri Escape Challenge – Checkpoint Sihlsprung, which features tunnels and cave-like passages along the Sihl river.
Yes, several caves are suitable for families. The Höllgrotten offer guided tours through their fascinating stalactite formations, making it an educational experience for all ages. The Dragon Cave is particularly exciting for children due to its legendary inhabitant. Additionally, the path By the Dorfbach includes a cave and is an easy, entertaining walk.
You can explore a variety of geological features. The Höllgrotten are famous for their stunning stalactites and stalagmites, formed by calcareous springs. Near Wädenswil, the Sihlsprung area features impressive Nagelfluh rock formations and fluvial cuts, with hiking trails leading through natural and man-made tunnels.
Yes, the Sihlsprung area, part of the Sihltobel, offers unique natural tunnels and gorges. You can hike along the Sihl river through features like the Natural Tunnels Along the Sihl, which include a 170-meter-long tunnel originally built for water supply but now a popular hiking attraction. This area provides a surprising and surreal experience with narrow paths.
The Dragon Cave is steeped in local legend, with tales of a dragon once living within its depths. The Höllgrotten, while primarily known for their natural beauty, were discovered in 1863 during tuff stone mining and have been made accessible over time, showcasing a piece of regional history.
The areas around the caves offer various outdoor activities. You can find numerous running trails, mountain biking routes, and road cycling routes. The Sihlsprung area, in particular, is excellent for hiking, with trails leading through tunnels and along the Sihl river. For a specific hiking experience, consider the route along the Sihl, which is also described on Zug Tourismus.
Yes, the Sihlsprung area offers hiking trails that lead directly through cave-like features and tunnels. The Züri Escape Challenge – Checkpoint Sihlsprung is a trail that includes tunnels and narrow paths along the Sihl river. The Natural Tunnels Along the Sihl also provide a unique hiking experience through unlit tunnels, where good footwear and a light are recommended.
The Höllgrotten are privately owned and require an admission fee. They are typically open from April 1st to October 31st, from 9 a.m. to 5 p.m. A tour through the grotto takes approximately 45 minutes. It's advisable to check their official website for the most current information on opening hours and admission fees.
The Höllgrotten are open seasonally, generally from April to October. For outdoor cave-like features and hiking trails such as those in the Sihlsprung area, spring, summer, and autumn offer pleasant weather for exploration. Some tunnels, like the Natural Tunnels Along the Sihl, can be wet, so good footwear is always recommended regardless of the season.
Visitors frequently praise the unique and surprising experiences offered. The Höllgrotten are loved for their beautiful stalactite formations. The Sihlsprung area, including the Züri Escape Challenge – Checkpoint Sihlsprung and Natural Tunnels Along the Sihl, is appreciated for its surreal landscape, narrow paths, and the adventure of exploring tunnels so close to urban areas. The Dragon Cave is a hit for its legendary appeal, especially with families.
When exploring the Natural Tunnels Along the Sihl, it's important to note that they are not lit and can sometimes be wet. Therefore, bringing a light source and wearing good, sturdy footwear is highly recommended. The track is also suitable for gravel riding, but be mindful of hikers as paths can be narrow.


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