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Switzerland
Espace Mittelland
District de Porrentruy

Courtedoux

Top 10 Natural Monuments around Courtedoux

Best natural monuments around Courtedoux offer insights into geology and prehistory within the Canton of Jura, Switzerland. The region features significant paleontological sites, such as dinosaur traces, and unique geological formations like emissive chasms. This area provides a natural landscape for exploration, highlighting the powerful forces of water systems and ancient life.

Best natural monuments around Courtedoux

  • The most popular natural monuments is Doubs, a river that forms part of the border with Switzerland. This river is notable for…

Last updated: June 26, 2026

Doubs

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The Doubs turns after its source first northeast through Pontarlier, flows through in its course the border reservoir Lac de Moron in the direction of Delémont, where he forms the …

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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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Doue Spring

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The source of the Doue is located behind an old mill which once used dynamite from the water to grind the cereals of the region. During the hot summers, the place turns into a haven of freshness.

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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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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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Peter Franken
June 27, 2024, Doubs

The Source du Doubs is a powerful karst spring in a heavily karstified area of the Jura Mountains. It is located near Mouthe, in the Haut-Jura Regional Nature Park, at an altitude of 937 m at the foot of the wooded, up to 1419 m high Mont Risoux mountain range, which marks the border between France and Switzerland. The Doubs rises from a cave in the rock from a small, approximately five-meter-deep spring basin. The spring discharges an average of 1740 litres per second and is the exit of a complex cave system with several siphons. The discharge can vary greatly. Several layers of rock can be distinguished on the rock above the spring. Below the spring, the river plunges down over a small waterfall. About two kilometers below the Source du Doubs, the approximately nine-kilometer-long Cébriot flows into the Doubs.

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A place where tranquility reigns supreme.

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The source of the Doue is located behind an old mill which once used dynamite from the water to grind the cereals of the region. During the hot summers, the place turns into a haven of freshness.

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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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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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Frequently Asked Questions

What unique natural features can I explore around Courtedoux?

The region around Courtedoux offers a variety of unique natural features. You can discover the ancient Dinosaur Tracks of Pommerat, a significant paleontological site with 150-million-year-old fossilized footprints. Another geological marvel is Le Creugenat, an emissive chasm that periodically becomes a powerful temporary river. Additionally, the Doubs river, which forms part of the border with Switzerland, and the tranquil Doue Spring are notable attractions.

Are there any paleontological sites or dinosaur-related attractions near Courtedoux?

Yes, Courtedoux is renowned for its paleontological significance. The Dinosaur Tracks of Pommerat are a must-see, featuring well-preserved 150-million-year-old fossilized dinosaur footprints discovered during the construction of the Transjurane highway. An original plate is visible under a tent roof, and there's a dinosaur learning path nearby for further exploration.

What is Le Creugenat, and how can I experience this natural phenomenon?

Le Creugenat is a unique emissive chasm located near Chevenez, whose waters flow towards Courtedoux. It's a temporary river that emerges from the chasm several times a year during floods, showcasing the powerful forces of underground water systems. While there isn't a specific komoot highlight for it, its geological significance makes it a fascinating natural spectacle to observe, particularly after heavy rains.

Are there family-friendly natural monuments to visit in the Courtedoux area?

Absolutely. The Dinosaur Tracks of Pommerat are highly recommended for families, offering an engaging educational experience with fossilized footprints and informative boards. The Porrentruy Botanical Garden is also family-friendly, providing a beautiful and educational setting to explore diverse plant species. The Doubs river also has sections with small beaches under trees, perfect for a relaxed family outing.

What kind of outdoor activities, like hiking or biking, are available near Courtedoux's natural monuments?

The region around Courtedoux offers excellent opportunities for outdoor activities. You can find various hiking trails, including the 'Circuit des dinosaures' which is a moderate 13.5 km loop. For cyclists, there are gravel biking and MTB trails. Explore more options on the Hiking around Courtedoux, Gravel biking around Courtedoux, and MTB Trails around Courtedoux guide pages.

Can I visit the Doubs river, and what makes it unique?

Yes, the Doubs river is a significant natural monument. It's unique because, in certain sections along the French-Swiss border, the entire river belongs to France due to historical treaties, rather than the border running down the middle. Visitors enjoy its scenic beauty and the small beaches found under trees along its banks.

Is there a botanical garden in the vicinity of Courtedoux?

Yes, the Porrentruy Botanical Garden is located nearby. It is one of Switzerland's oldest botanical gardens, established in 1798. It features over 600 local plant species from the Jura chain, including more than 70 varieties of roses and 180 varieties of irises, making it a vibrant and educational visit.

What is the Doue Spring, and is it worth visiting?

The Doue Spring is a beautiful waterfall located behind an old mill. It's highly recommended for its tranquil setting, offering a refreshing escape, especially during warmer periods. Visitors describe it as a place where tranquility reigns supreme.

What is the Pont Sarrazin Natural Arch, and are there any stories associated with it?

The Pont Sarrazin Natural Arch is a striking geological formation situated at the end of a Jura valley. It is associated with local legends, including the well-known story of Allima, which adds a layer of cultural intrigue to this natural landmark.

What is the best time of year to visit the natural monuments around Courtedoux?

The natural monuments around Courtedoux are generally accessible and enjoyable from spring through autumn. Spring and summer offer lush greenery and pleasant temperatures for hiking and exploring, while autumn brings beautiful foliage. The Dinosaur Tracks of Pommerat are freely accessible from April to October.

Are there easy hiking trails to natural monuments for less experienced visitors?

Yes, there are options for easier hikes. For instance, the 'View of Château de Porrentruy' loop from Porrentruy is an easy 5 km hike. While some trails to specific natural monuments might be moderate, the general area offers varied terrain suitable for different fitness levels. You can find more details on the Hiking around Courtedoux guide page.

How long should I plan for a visit to the natural monuments in Courtedoux?

The duration of your visit depends on which natural monuments you wish to see. You could spend a couple of hours exploring the Dinosaur Tracks of Pommerat and its learning path. A visit to the Porrentruy Botanical Garden might take 1-2 hours. If you plan to hike or bike to multiple sites like the Doubs river or Pont Sarrazin Natural Arch, a full day or even a weekend would allow for a more comprehensive experience.

Are the natural monuments around Courtedoux accessible by public transport?

While specific public transport routes to every single natural monument might vary, the town of Courtedoux and nearby Porrentruy are generally well-connected. From these hubs, you may be able to reach some sites by local bus or a short walk. For more remote locations like Le Creugenat or certain trailheads, a car might be more convenient.

What do other visitors say about the natural monuments in Courtedoux?

Visitors highly appreciate the natural monuments around Courtedoux, with 45 upvotes and 52 photos shared by the komoot community. They particularly enjoy the tranquility of places like the Doue Spring, the unique border features of the Doubs river, and the historical significance of the Dinosaur Tracks of Pommerat, often noting the well-preserved nature of the sites.

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

Clos du DoubsLa BarocheCourgenayCornolVendlincourtAlleHaute-AjoieFontenaisBonfolCoeuveRocourtGrandfontaineFahyBureCourchavonDamphreuxLugnezBasse-AllaineBoncourtBeurnevésin

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