Caves around Mellikon are not found directly within the small village, which is located in the canton of Aargau, Switzerland. Mellikon, with a history dating back to 1113, is characterized by its agricultural land, forested areas, and a past limestone quarry. While Mellikon itself is not recognized as a destination for cave exploration, the surrounding region offers several notable natural features. These include various geological formations and historical sites that incorporate cave-like structures.
Last updated: June 28, 2026
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Pretty here, very pretty.
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pretty here, very pretty
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At this altitude you can decide to continue hiking along the ridge (T3) - very challenging - or to take the turnoff to the right (T1).
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Small cave (dug out) with a table and fireplace. Access from the north via ladders.
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The route from the bottom is incorrectly navigated; ignore the left turn sign. There's simply a point where there's no way back and the climb is extremely dangerous. There's no solid ground and hardly any way to hold on. We almost called the REGA (Rega Rescue Service).
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Nice big cave and wonderful barbecue area with benches, tables and a grill!
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From the bottom up to the cave it is barely walked on and slippery.
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very pretty here, very pretty
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No, Mellikon itself is a small village primarily known for its agricultural land and forested areas, not for cave exploration. The caves and grottoes mentioned in this guide are located in the surrounding region, not directly within the municipality of Mellikon.
The region around Mellikon offers various natural features, including unique geological formations. For example, the Erdmannliloch is a distinctive Nagelfluh cave, and the Heidewybliloch Cave is recognized as a natural monument situated next to a nature reserve.
Yes, the Erdmannliloch is a significant historical site. It's considered the only grotto castle in the Swiss Plateau, with a rich history and numerous legends surrounding its past as a dwelling place and possibly a hermitage.
Absolutely. The Heidewybliloch Cave is noted as a family-friendly location, complete with a barbecue area. Additionally, the Lourdes Grotto Leuggern is also considered family-friendly and offers public restrooms on site.
The region around Mellikon offers various outdoor activities. You can find numerous hiking trails, such as the 'Natural Rhine Riverside Trail' or the 'Etelweiher loop from Böbikon'. For cycling enthusiasts, there are routes like the 'Bachsertal Valley – View of Regensberg Castle loop'. Gravel biking options are also available, including routes like 'Aare Bridge Brugg – Nice path along the Aare loop'. You can find more details in the Hiking around Mellikon, Cycling around Mellikon, and Gravel biking around Mellikon guides.
Yes, for those seeking a challenge, the Walhalla Cave and Picnic Area involves a descent via three ladders, requiring a head for heights. Similarly, reaching the Erdmannliloch can involve steep climbs.
The Lourdes Grotto Leuggern is a beautiful and well-kept religious building that incorporates a cave-like structure. It serves as a quiet, secluded, and very popular pilgrimage site, open 24 hours a day, with public restrooms and a well-maintained garden.
Visitors appreciate the unique blend of natural beauty, historical significance, and local legends associated with these sites. Many enjoy the peaceful atmosphere of places like the Lourdes Grotto, the intriguing stories of the Erdmannliloch, and the family-friendly amenities and natural surroundings of the Heidewybliloch Cave.
While specific public transport details for each site are not provided, the Lourdes Grotto Leuggern is described as 'easy to reach', suggesting good accessibility. For other locations, planning your journey in advance is recommended.
No, according to the forest law of the canton of Zurich, the Erdmannliloch may not be visited by bike. It is accessible on foot.
Yes, the Heidewybliloch Cave features a barbecue area, making it a great spot for a family outing. The Walhalla Cave and Picnic Area also has a barbecue area.
While specific seasonal recommendations for each cave are not available, spring is particularly noted for the Heidewybliloch Cave when wild garlic makes the slopes glow green. Generally, pleasant weather for hiking and exploring would be ideal for visiting these outdoor sites.


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