Caves around Zwingen are primarily found within the Kaltbrunnental Valley, notably in Chessiloch. This area offers a combination of natural formations and historical significance. The caves and rock shelters here were utilized by gatherers and hunters as far back as 12,000 years ago, with evidence suggesting potential Neanderthal activity. During World War I, Swiss soldiers left over 60 works of art on the prominent "Chessiloch 'Coat of Arms' rock." The Kaltbrunnental Valley provides an accessible setting for exploring these sites.
…Last updated: May 16, 2026
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Since 1926, the monastery church has borne the papal title of honor of a Basilica minor. Originally built in the late Gothic style, the interior was redesigned several times and furnished and painted in the Neo-Baroque style between 1900 and 1934. The mighty high altar at the end of the choir, a gift from the French King Louis XIV, was consecrated in 1680.
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In addition to its scenic beauty, the Kaltbrunnental Valley is a great outdoor playground for families. The stream offers fun activities and children's canyoning, easy access to the water, and barbecue areas are available. A hot tip, especially in summer.
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The Mariastein monastery is considered the second most important pilgrimage site in Switzerland after Einsiedeln. Its origins go back to a legend in which a little boy fell over a high rock face and was then found unharmed by his mother. After he told his father that he had been caught by a woman, the father was sure that it was the Virgin Mary. He had a chapel built in a cave in her honor. The monastery complex can be visited daily, but services are held regularly. More information can be found here: https://www.kloster-mariastein.ch/informationen/agenda/
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Already 12,000 years ago, gatherers and hunters used the protection of the caves in Chessiloch.
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The Mariastein monastery is, alongside the Einsiedeln monastery, the second most visited pilgrimage site in Switzerland. Thousands of believers and pilgrims from all over the world make a pilgrimage to Mariastein every year to ask Mary for help or to receive her blessing. Of course, the impressive monastery complex and the surrounding lands attract numerous tourists and hikers every year, who bring home a wealth of memories with a suitcase or backpack, but also a full photo or cell phone memory card. A detour to the gift chapel hidden in a rock grotto and the magnificent basilica is particularly recommended. If you visit Mariastein, you should also, if possible, pay a visit to the nearby castle ruins of Château Landskron in Alsace, just a few minutes' walk away.
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The Ermitage is a large and lovingly designed green area from 1785, with three idyllic ponds, several romantic grottos, historical buildings, pretty walking paths between the shore and the edge of the forest and, on top of it all, the castle ruins of Bierseck Castle, as the crowning glory of the whole. It is a wonderful place for physical and mental relaxation, but those seeking peace and quiet should visit outside of the holidays or weekends. It is a real visitor magnet. Warning! The grottos can only be reached on foot and via steep stairs. The rest of the garden is mostly wheelchair accessible and suitable for pushchairs. There are no parking spaces directly at the Ermitage! Free entry!
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Mariastein Abbey is, after Einsiedeln, the second most important place of pilgrimage in Switzerland. It is known for its chapel dedicated to Mary, located in the Grotto, as well as its beautiful Gothic architecture and works of art.
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The primary caves around Zwingen are found within the Kaltbrunnental Valley, notably in Chessiloch. This area is known for its natural formations and historical significance, including rock shelters and grottoes. You can explore the Kaltbrunnental Gorge and the Chaltbrunnental Nature Reserve, both featuring numerous caves.
The caves in Chessiloch, particularly within the Kaltbrunnental Valley, have a rich history. They were utilized by gatherers and hunters as far back as 12,000 years ago, with evidence suggesting potential Neanderthal activity from 30,000 years ago. Additionally, during World War I, Swiss soldiers left over 60 works of art, including paintings and carvings, on the prominent 'Chessiloch 'Coat of Arms' rock'.
Yes, the Kaltbrunnental Valley offers several family-friendly options. The Chaltbrunnental Nature Reserve provides an easy hike through an interesting and varied environment with many caves, suitable for families and accessible by public transportation. The Kaltbrunnental Gorge also features easy hiking trails.
The Kaltbrunnental Valley, where many of the significant caves are located, is easily accessible by train from Basel. The nearby Grellingen Bahnhof also offers parking options if you are traveling by car.
The caves are set within the picturesque Kaltbrunnental Valley, described as a 'magical,' dense, and mossy forest with a crystal-clear river. You'll find impressive rock walls, shaded paths that are pleasantly cool in summer, and a varied environment ideal for outdoor exploration.
Yes, beyond the Kaltbrunnental Valley, you can visit the Ermitage Arlesheim Landscape Garden, which is the largest English landscaped garden in Switzerland and features small caves. Another significant site is the Mariastein Monastery, known for its chapel dedicated to Mary located in a grotto, making it an important pilgrimage site.
The region around Zwingen and the Kaltbrunnental Valley is excellent for various outdoor activities. You can enjoy hiking on numerous trails, including those suitable for beginners and children. For more extensive adventures, explore the Mountain Hikes around Zwingen, or consider Road Cycling or general Cycling routes in the area.
Komoot users appreciate the variety of caves, rock shelters, and grottoes, noting the combination of natural beauty and historical significance. The easy hiking trails, especially in the Kaltbrunnental, are frequently highlighted, as is the pleasant coolness of the shaded paths in summer. The area has received over 600 upvotes and 140 photos shared by the community.
Yes, the Schalberg Cave is an important archaeological site. Excavations there have uncovered flint tools from the Mousterian period, remains of Ice Age fauna like cave bears and mammoths, and artifacts from the early Stone Age Horgen culture and late Bronze Age. It offers a fascinating glimpse into the past, though good footwear and sure-footedness are recommended due to its narrow, winding passage.
The Kaltbrunnental Valley, where many caves are located, is particularly pleasant in summer. The dense forest provides ample shade, keeping the trails and cave entrances cool. However, the natural beauty and historical sites can be enjoyed throughout the warmer months.
Yes, the Kaltbrunnental Valley offers numerous hiking trails. The Chaltbrunnental Nature Reserve features an easy hike and a karst educational trail where you can learn about the area's geology and caves. For more options, you can explore the Mountain Hikes around Zwingen guide, which includes routes like the 'Chastelbach Waterfall – Kaltbrunnental Gorge loop'.
The Chessiloch caves are unique due to their dual historical significance. They served as shelters for gatherers and hunters up to 12,000 years ago, showcasing prehistoric human habitation. Additionally, they feature a remarkable collection of over 60 works of rock art, including paintings and carvings, left by Swiss soldiers during World War I, making them a rare blend of ancient and modern history.


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