Best caves around Astano are found in the Malcantone region, a former municipality in the district of Lugano, Switzerland. This area is characterized by forested hills and its proximity to Lake Lugano and the Italian border. The landscape features a mix of natural geological formations and historical man-made structures. It offers opportunities to explore both natural caves and historical underground passages.
Last updated: August 8, 2026
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The church can be visited from the inside.
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This place is very beautiful, you can sit in the shade under plane trees. But you should respect this place!
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The Cunardo Ravine is a karst complex made up of a labyrinth of tunnels and caves dug by the Margorabbia torrent.
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Church of God under the big church
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Fascinating and Curious Going back in history 🪖
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Definitely take a strong flashlight with you if you want to go into the caves or catacombs. A little adventure for children.
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Entrance to the network of tunnels and passages dug into the rock
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Around Astano, you can explore a diverse range of underground sites. These include natural geological formations like the labyrinthine tunnels of Cunardo Gorge, historical man-made passages such as the Entrance to the Historic Tunnels and the Cadorna Line Cave No. 20, and even religious sites with underground sections like The Canonica of San Giorgio and the Sanctuary of the Madonna of the Grotto.
Yes, several caves in the area are suitable for families. The Canonica of San Giorgio offers a small adventure with its caves or catacombs, especially for children. The Sanctuary of the Madonna of the Grotto also provides an accessible and interesting historical cave experience for families.
The region is rich in historical underground sites. Entrance to the Historic Tunnels offers a journey back in history through a network of passages dug into the rock. Cadorna Line Cave No. 20 (Castellaccio), Brezzo di Bedero is part of the Cadorna Line, a significant World War I defense system. Additionally, The Canonica of San Giorgio and the Sanctuary of the Madonna of the Grotto are historical religious buildings with underground sections.
Yes, you can. Cunardo Gorge is a natural cave complex featuring a labyrinth of tunnels and caves carved by the Margorabbia torrent. For impressive stalactites and stalagmites, consider visiting the Grotte di Rescia in Claino con Osteno, just across the border in Italy, which showcases unique tufa formations and a 70-meter-high waterfall.
Yes, the Cave Bear Cave (Grotta dell'Orso) on Monte Generoso, located on the Italian side near the Swiss border, is a significant paleontological site. It is renowned for its extensive remains of the extinct cave bear (Ursus spelaeus) and also shows evidence of Neanderthal presence dating back tens of thousands of years. Visitors can see reconstructed skeletons and ongoing archaeological work.
Visitors appreciate the blend of natural beauty and historical intrigue. The komoot community has given the caves around Astano over 170 upvotes and shared more than 110 photos, highlighting the unique experiences. Many enjoy the adventure of exploring underground passages, whether they are natural gorges or historical tunnels, and the opportunity to step back in time.
The region around Astano offers various outdoor activities. You can find numerous routes for gravel biking, road cycling, and mountain biking. For example, there are challenging gravel biking routes like the 'Madonna dei Ciclisti Shrine – Lake Ghirla loop from Luino' and moderate MTB trails such as the 'Riverside Path along the Tresa – Old church with gateway passage loop from Astano'. You can explore more options in the Gravel biking around Astano, Road Cycling Routes around Astano, and MTB Trails around Astano guides.
Yes, the area provides opportunities for hiking. While specific hiking trails directly linked to individual caves aren't detailed, the broader region offers various routes for mountain biking and gravel biking that often include scenic paths suitable for walking. You can find routes of varying difficulty, from moderate to difficult, allowing you to explore the forested hills and natural landmarks surrounding the caves.
For caves like The Canonica of San Giorgio, it is highly recommended to bring a strong flashlight, especially if you plan to explore the deeper sections or catacombs. Comfortable footwear is advisable for all cave explorations, and some natural caves maintain cooler temperatures, so a light jacket might be useful.
Beyond the general cave formations, Cunardo Gorge is notable for its unique karst complex, where the Margorabbia torrent has carved a labyrinth of tunnels. The Grotte di Rescia, while in Italy, offers a rare sight of seven natural tufa caves adorned with impressive stalactites and stalagmites, culminating in the stunning 70-meter-high Santa Giulia waterfall visible from within the cave system.
The best time to visit depends on the specific cave. Natural caves like Grotte di Rescia are typically open from April to September. For historical sites and religious buildings with cave sections, access might be available year-round, though it's always best to check specific opening hours. The region's climate is generally pleasant during spring and autumn for outdoor activities combined with cave visits.
Yes, Cadorna Line Cave No. 20 (Castellaccio), Brezzo di Bedero is a prime example. It is part of the Cadorna Line, an extensive defensive system built during World War I along the Italian-Swiss border. Exploring this site offers insight into military history and the strategic importance of the region's terrain.


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