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Switzerland
Espace Mittelland
Solothurn

Bezirk Thierstein

Top 15 Natural Monuments in Bezirk Thierstein

Best natural monuments in Bezirk Thierstein, located in the Canton Solothurn, Switzerland, offer diverse natural attractions. The region is characterized by its varied topography, including gorges, caves, and summits. Visitors can explore 16 natural monuments, providing opportunities for outdoor recreation and appreciating the local landscape.

Best natural monuments in Bezirk Thierstein

  • The most popular natural monuments is Chastelbach Waterfall, a waterfall noted for its original and romantic character. The Chastelbach is described as a very beautiful place, especially depending…

Last updated: August 6, 2026

Kaltbrunnental Gorge

Highlight • Gorge

Nice valley with easy hiking trails. Pleasantly "cool" in summer because a lot lies in the shade of the trees.

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Easy hike through the Chaltbrunnental. Pleasantly "cool" in summer, as there are many paths in the shade of the trees.
There is also a karst educational trail through the valley, …

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Chastelbach Waterfall

Highlight • Waterfall

From Grellingen you hike along the Chastelbach up to Himmelried. The Chastelbach is very original, romantic and very beautiful depending on the light. Because of the beauty of the stream, …

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Schelten Pass

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The Scheltenpass, one of my favorite passes. On the Jurassic side, along the Scheltebach, it is particularly romantic. Unfortunately, there is a motorcycle race here on Sundays and public holidays as well.

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Kastel Cave

Highlight • Cave

One of many caves in and around the Chaltbrunnental. Some of them are accessible, although sometimes only on all fours ;-)
A light source is very helpful.

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Barenflue

Highlight • Summit

Nature trails lead you through the forest to the Barenflue. At the top there is a rope-insured, very narrow path that leads to the summit cross at 983 meters altitude. …

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Ibach Cave

Highlight • Cave

easily accessible cave with information board

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Great gorge, was inhabited by humans 10,000 years ago. See the book Nala and the Foundling Wolf

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St. Friedli Cave and Sculpture

Highlight (Segment) • Cave

When we did the hike (March 2020) this part of the hike was very dangerous with fallen trees, loose soil and no clear/ safe route down St Friedli. We routed …

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In my youth there was a rumor that Count von Thierstein had hidden his treasures here in the wild holes when the castle was stormed. Sometimes we crawled far into it.

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Hiking in Bezirk Thierstein

Road Cycling Routes in Bezirk Thierstein

Cycling in Bezirk Thierstein

MTB Trails in Bezirk Thierstein

Running Trails in Bezirk Thierstein

Gravel biking in Bezirk Thierstein

Mountain Hikes in Bezirk Thierstein

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Mattia Pastore
June 14, 2026, Scheltenpass

Beautiful on both sides! From Mervelier, you first have to conquer a few short, steep ramps, then the road flattens out and you go directly along the stream through the narrow valley. From the Scheltenmühle onwards, it climbs steeply again; there are 300 meters of altitude gain from there to the pass crossing. At the very top, a short detour to the Vorder Erzberg mountain inn is worthwhile. There you can refuel and enjoy a fantastic view towards Passwang.

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Puffin
March 25, 2026, Ibachhöhle

easily accessible cave with information board

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Karin
August 7, 2025, Barenflue

It's not easy to find, as the access is somewhat overgrown. The climb is only recommended for experienced hikers, although the view is worthwhile.

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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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CSW59
June 29, 2025, Ibachhöhle

The Ibach Cave is a small karst spring cave located just a few steps above the hiking trail through the Kaltbrunnen Valley. It can be accessed according to the information board nearby.

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Great gorge, was inhabited by humans 10,000 years ago. See the book Nala and the Foundling Wolf

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https://derstreuner.ch/2023/07/22/chaltbrunnental-chessiloch-chastelbachtal/

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You have to walk up a bit here, but it's worth it 🐾 Since their discovery in 1934 by Heinz Kohler, archaeologists have found more than 10,000 stone tools here. They are between 13,500 and 24,000 years old, so they come from a time when a thick layer of ice covered the central plateau and mammoths roamed the ice-free tundra.

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Frequently Asked Questions

What unique natural features can I explore in Bezirk Thierstein?

Bezirk Thierstein is rich in diverse natural features, including mystical gorges, impressive caves, and scenic summits. You can discover unique karst landscapes, such as those found in the Kaltbrunnental Gorge, and explore various caves like the Kastel Cave and Ibach Cave. The region also features beautiful waterfalls like the Chastelbach Waterfall and offers panoramic views from summits such as the Barenflue.

Are there any historically significant natural monuments in Bezirk Thierstein?

Yes, the region holds significant historical value. The Kaltbrunnental Gorge is recognized as one of Switzerland's most important prehistoric sites, with evidence of gatherers and hunters using its caves, like Chessiloch, 12,000 years ago. You can also visit the Stone Age Caves of Solothurn for more insights into early human activity.

What makes the Kaltbrunnental Gorge a must-visit natural monument?

The Kaltbrunnental Gorge is a mystical and wild-romantic destination known for its unique karst landscape, impressive rock walls, and large boulders. It offers easy hiking trails that are pleasantly cool and shaded in summer, making it ideal for a refreshing outing. Beyond its natural beauty, it's a significant prehistoric site with accessible caves, and features numerous fire pits for picnics.

Where can I find the best panoramic views in Bezirk Thierstein?

For stunning panoramic views, consider hiking to the Hirnichopf Summit, which offers beautiful vistas of the surrounding valleys and mountains, including the Hohe Winde. Another excellent spot is the Barenflue, which also provides great viewpoints. The Schelten Pass is also known for its excellent panorama views, particularly of the Solothurn Jura.

Are there family-friendly natural monuments in Bezirk Thierstein?

Absolutely. The Chaltbrunnental Nature Reserve offers easy hiking trails with hardly any difference in height, making it suitable for families with children. It's pleasantly cool in summer due to shaded paths, and features a karst educational trail where you can learn about the area's geology and numerous caves. The Kaltbrunnental Gorge is also considered family-friendly with easy hiking trails and fire pits.

What kind of caves can I explore in the region?

Bezirk Thierstein is home to several fascinating caves. You can visit the Kastel Cave, where prehistoric people once lived, and the Ibach Cave, both of which are part of the Kaltbrunnental system. Other notable caves include the Stone Age Caves of Solothurn, St. Friedli Cave and Sculpture, and The Wild Holes of Lingenberg. Many caves are accessible, though a flashlight is often recommended, and some may require crawling.

What outdoor activities can I do near these natural monuments?

The natural monuments in Bezirk Thierstein are excellent starting points for various outdoor activities. You can enjoy diverse hiking experiences, from easy strolls to more challenging ascents. The region also offers great opportunities for cycling and gravel biking. For detailed routes, explore the Easy hikes in Bezirk Thierstein, Cycling in Bezirk Thierstein, and Gravel biking in Bezirk Thierstein guides.

When is the best time to visit the natural monuments in Bezirk Thierstein?

The best time to visit depends on your preferred activity. Summer is ideal for exploring gorges like the Kaltbrunnental, as the shaded paths offer a refreshing escape from the heat. Summits like Hirnichopf are accessible year-round, with options for snowshoeing in winter for a different experience. The 'green study' panorama of the Solothurn Jura is particularly striking during snow-free months.

Are there easy hiking trails available near the natural monuments?

Yes, there are several easy hiking trails, particularly around the Kaltbrunnental area. The Chaltbrunnental Nature Reserve offers pleasant, easy hikes with minimal elevation gain, suitable for all ages. You can find more options in the Easy hikes in Bezirk Thierstein guide, which includes routes like the 'Kaltbrunnental Waterfall – Chaltbrunnental barbecue area loop'.

What do visitors enjoy most about the natural monuments in Bezirk Thierstein?

Visitors frequently praise the original and romantic character of places like the Chastelbach Waterfall, noting its beauty, especially depending on the light. The Kaltbrunnental area is appreciated for its easy, shaded hiking trails that provide a cool environment in summer, and its fascinating, varied landscape. Many also enjoy the historical significance of the caves and the opportunity for picnics at designated fire pits.

Can I go cycling or gravel biking in the area around the natural monuments?

Yes, Bezirk Thierstein offers excellent routes for both cycling and gravel biking. You can find challenging and scenic routes that pass through diverse landscapes, often near natural attractions. For detailed information and route suggestions, refer to the Cycling in Bezirk Thierstein and Gravel biking in Bezirk Thierstein guides.

Are there places to picnic or rest near the natural monuments?

Yes, particularly in the Kaltbrunnental area. The Kaltbrunnental Gorge features numerous fire pits, inviting visitors to picnic and relax amidst nature. This makes it a great spot for a leisurely day out, combining hiking with a meal outdoors.

Most popular routes in Bezirk Thierstein

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Didn’t find what you were looking for?

Find even more amazing natural monuments in Bezirk Thierstein by checking out the top Highlights region by region:

NunningenKleinlützelBärschwilErschwilFehrenZullwilBüsserachGrindelMeltingenHimmelried

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