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Territoire-de-Belfort

Blumenberg

Top 6 Natural Monuments around Blumenberg

Best natural monuments around Blumenberg offer a diverse range of geological and botanical wonders. This area provides opportunities to explore ancient natural formations and unique plant collections. Visitors can discover historical sites alongside natural beauty, making it a destination for various interests. The landscape features a variety of natural formations, from botanical gardens to geological arches and caves.

Best natural monuments around Blumenberg

  • The most popular natural monuments is Pont Sarrazin Natural Arch, a natural arch at the end…

Last updated: June 18, 2026

Porrentruy Botanical Garden

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The botanical garden in Porrentruy is one of the oldest of its kind in Switzerland. It was created in 1798 by order of Paris after the city was annexed by …

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Dinosaur Tracks of Pommerat

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It goes via a muddy trail to the well-preserved dinosaur tracks that are 150 million years old

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Milandre Caves

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Depending on the water level, the lower entrance of the cave can be explored more or less dry.

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The Autrage Oak "The Unparalleled"

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Iconic oak tree, creatively decorated like a hobbit treehouse with painted wooden boards. The rest area has picnic tables and sunny and shady spots.

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Pont Sarrazin Natural Arch

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Natural arch at the end of a Jura valley. The Sarrazin Bridge takes its name from the legend of Allima, well known in the country.

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Puffin
March 18, 2026, Grottes de Milandre

Depending on the water level, the lower entrance of the cave can be explored more or less dry.

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Iconic oak tree, creatively decorated like a hobbit treehouse with painted wooden boards. The rest area has picnic tables and sunny and shady spots.

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oester
August 14, 2024, Grottes de Milandre

Impressive grotto under Millandre The active, vadose cave has been scientifically well studied. It is located in subhorizontal, fossil-bearing limestone. The cave river Milandrine flows through it, has a measured length of 10,520 meters and a vertical extension of 135 meters. https://de.wikipedia.org/wiki/Grotte_de_Milandre

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If you stop in Porrentruy, if you are a herb, plant and flower enthusiast, you should definitely pay a visit to the Parc du Jardin Botanique. After the botanical garden in Basel, it is the second oldest in Switzerland. It is striking that in addition to the almost inexhaustible variety of plants, one or the other sundial on several house fronts shows the time in a shadowy way. A particularly idiosyncratic and modern example can be seen at the end of the park when you enter the area through the main portal. Right next to the botanical garden, there is a public car park that is subject to a fee. From the botanical garden, you can continue your journey of discovery in the direction of the old town, or pay your respects to the castle above the city.

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Natural arch at the end of a Jura valley. The Sarrazin Bridge takes its name from the legend of Allima, well known in the country.

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Over 600 local plant species from the Jura chain from Lake Biel to the Chasseral are on display. One focal point is the more than 70 varieties of roses and 180 varieties of irises, which enchant the garden in a huge sea of color when the flowers are in bloom.

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It goes via a muddy trail to the well-preserved dinosaur tracks that are 150 million years old

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Fossilized dinosaur footprints were found during the construction of the Transjurane highway. An original plate is visible here - protected under a tent roof and separated by protective fences. For children (and children's heads) there is also a dinosaur next to it that you can ride. On the way to the fossilized prints there are many informative boards from the "Sentier didactique".(https://www.jurassica.ch/fr/Satellites/Sentier-didactique/Sentier-didactique.html). Start of the nature trail at the roundabout in front of the “3 Chevenez” motorway entrance. Freely accessible from April to October.

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Frequently Asked Questions

What unique natural features can I explore around Blumenberg?

Around Blumenberg, you can discover a variety of unique natural features. These include the impressive Pont Sarrazin Natural Arch, a geological formation at the end of a Jura valley. You can also visit the Dinosaur Tracks of Pommerat, where well-preserved 150-million-year-old footprints are visible under a tent roof. For botanical enthusiasts, the Porrentruy Botanical Garden showcases over 600 local plant species.

Are there any historical or archaeological natural monuments in the area?

Yes, the region offers natural monuments with significant historical and archaeological value. The Dinosaur Tracks of Pommerat are a prime example, featuring fossilized footprints from 150 million years ago, protected and accompanied by informative boards. The Porrentruy Botanical Garden, established in 1798, is also one of Switzerland's oldest botanical gardens, offering a rich historical context to its plant collections.

What outdoor activities can I do near these natural monuments?

The area around Blumenberg provides excellent opportunities for outdoor activities. You can explore numerous hiking trails, such as the easy Sentier des Faînes Trail or the moderate Étang Verchat loop. For cycling enthusiasts, there are options like the easy La porte d'Alsace gravel loop or the more challenging Circuit by CYCLE ROUTES to the east and west of Delle. You can find more details on routes in the hiking guide, gravel biking guide, and cycling guide for Blumenberg.

Are there family-friendly natural monuments around Blumenberg?

Absolutely! Several natural monuments are great for families. The Dinosaur Tracks of Pommerat are particularly engaging for children, with a dinosaur replica they can ride and informative boards along a nature trail. The Porrentruy Botanical Garden is also a wonderful family-friendly spot to explore diverse plant species. Additionally, 'The Unparalleled' Autrage Oak offers a creatively decorated rest area with picnic tables, perfect for a family stop.

What is the best time to visit the natural monuments around Blumenberg?

The best time to visit largely depends on the specific monument. The Dinosaur Tracks of Pommerat are freely accessible from April to October. Botanical gardens like the Porrentruy Botanical Garden are particularly enchanting when flowers are in bloom, typically from spring through late summer, showcasing varieties of roses and irises in a huge sea of color.

Can I visit caves or other underground natural formations?

Yes, you can explore the Milandre Caves. This impressive grotto features the Milandrine cave river and has been scientifically well-studied. Depending on the water level, the lower entrance of the cave can be explored, offering a unique underground experience.

Are there any notable trees or botanical attractions?

Beyond the Porrentruy Botanical Garden with its extensive plant collections, you can also visit 'The Unparalleled' Autrage Oak. This iconic oak tree is creatively decorated like a hobbit treehouse and provides a lovely rest area with picnic tables.

What do visitors enjoy most about the natural monuments in this region?

Visitors frequently appreciate the diversity of experiences, from ancient geological formations to unique botanical collections. The well-preserved Dinosaur Tracks of Pommerat are a highlight for their historical significance, while the Porrentruy Botanical Garden is loved for its beauty and variety of plant species. The scenic views from natural arches like Pont Sarrazin also receive high praise.

Is there parking available near the natural monuments?

Yes, for some locations, parking is available. For instance, right next to the Porrentruy Botanical Garden, there is a public car park that is subject to a fee, making it convenient for visitors.

Are there any natural monuments that offer good viewpoints?

The Pont Sarrazin Natural Arch is situated at the end of a Jura valley and offers scenic views of the surrounding landscape. Additionally, 'The Unparalleled' Autrage Oak is also noted as a viewpoint, providing a pleasant spot to take in the scenery.

How can I learn more about the plants at Porrentruy Botanical Garden?

The Porrentruy Botanical Garden is part of the Nature Museum, and you can find more information about its extensive collections, including over 600 local plant species and a focus on roses and irises, on their official website.

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

Rougemont-Le-ChâteauLepuixLamadeleine-Val-Des-AngesOberwessenbergWessenbergSchermeneiRougegoutteGroßmenglattOberasselStaufenCroixSankt StöringenLevalLebetainVillars-Le-SecNiederasselKleinmenglattFêche-L'ÉgliseBeaucourtMunpetunWelschenkappelKleinbrunnenRöschlitzDelle

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