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MTB trails
Switzerland
Espace Mittelland
District de Porrentruy

Grandfontaine

The best MTB trails around Grandfontaine

4.2

(169)

996

riders

61

rides

Mountain biking around Grandfontaine offers a diverse landscape characterized by rolling hills, dense woodlands, and elevated viewpoints. The region features a mix of challenging climbs and varied terrain, including paths that traverse cols and offer panoramic vistas. This area provides a natural setting for mountain biking, with routes that explore both natural features and historical sites.

Best mountain bike trails around Grandfontaine

  • The most popular mountain bike trail is View of Haute Ajoie – Col de Montvoie loop from Vaufrey

Last updated: May 9, 2026

4.9

(22)

173

riders

#1.

View of Haute Ajoie – Col de Montvoie loop from Vaufrey

47.9km

04:13

950m

950m

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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Hard

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard
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5.0

(1)

20

riders

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard

5.0

(1)

14

riders

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Popular around Grandfontaine

Hiking around Grandfontaine

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Tips from the Community

Dom-VTT
July 8, 2025, The Rocks Viewpoint

very beautiful course, varied and accessible.

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beau site picnic possible

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Quercus ☯️
February 17, 2024, Border Trail

Great single trail. Not a soul found. Very lonely area.

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Pruntrut Castle (French: Château de Porrentruy) is a castle complex above the town of Pruntrut in the Swiss canton of Jura. The hilltop castle originally dates back to the 13th century and was built by the Counts of Montbéliard. The Réfus Tower next to the castle building was probably built around 1271. From 1524 to 1792 it served as the residence of the prince-bishops of Basel. Structurally, the castle is in the same condition as it was at that time. It has been the seat of the judicial authorities of the canton of Jura since 1979. The facility can be visited on weekdays.

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The Faux d'Enson observation tower is a 9 meter high concrete tower with metal stairs, built in 1989 by the Jura section of the Swiss Alpine Club. It is located at an altitude of 927 meters, at the summit of the Faux d'Enson mountain, which is part of the Mont-Terri range. From the tower, you enjoy a breathtaking view of the whole of Ajoie, as well as the border between France and Switzerland, marked by stone pillars. On a clear day, you can also see the Pays de Montbéliard, the Bernese Alps, the Vosges and the Black Forest. At the top of the tower, an orientation table allows you to identify landmarks on the horizon.

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Located in the town of Trévilliers, the Bois du Roy ponds are well known to fishermen. In the heart of the Franche-Comté forest, this place offers superb biodiversity.

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Very nice view and lots of nature!👍😎

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Very nice view and lots of nature! 👍😎

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Frequently Asked Questions

How many mountain bike trails are available around Grandfontaine?

Grandfontaine offers a diverse network of over 60 mountain bike trails. These routes cater to various skill levels, with a focus on moderate and difficult terrain.

Are there any easy mountain bike trails for beginners in Grandfontaine?

The mountain bike trails around Grandfontaine are primarily categorized as moderate or difficult. While there are 23 moderate trails, there are no routes specifically designated as easy for beginners. Riders should be prepared for varied terrain and elevation changes.

What kind of terrain can I expect on mountain bike trails in Grandfontaine?

You can expect a diverse landscape characterized by rolling hills, dense woodlands, and elevated viewpoints. The terrain includes challenging climbs, varied paths, and trails that traverse cols, offering panoramic vistas. Many routes explore both natural features and historical sites.

Are there any family-friendly mountain bike trails in Grandfontaine?

Given that most trails in Grandfontaine are rated moderate to difficult, they may not be suitable for very young children or inexperienced family members. However, families with older, more experienced riders might enjoy some of the moderate routes. Always check the specific trail details for distance and elevation before heading out.

What are some of the more challenging mountain bike trails for advanced riders?

Advanced riders will find plenty of challenging options. For example, the Mandeure Viewpoint – Saint-Hippolyte loop from Villars-lès-Blamont is a difficult 59.6-mile (96.0 km) path with significant elevation. Another demanding route is the Dinosaur Tracks of Pommerat – Col de Montvoie (858 m) loop from Fahy, covering 41.1 miles (66.2 km) with substantial climbs.

Are there mountain bike trails with good viewpoints in Grandfontaine?

Yes, many trails in Grandfontaine offer rewarding viewpoints. The region is known for its elevated positions and panoramic vistas. For instance, the View of Haute Ajoie – Col de Montvoie loop from Vaufrey provides excellent views of the Haute Ajoie region, and the Mandeure Viewpoint – Saint-Hippolyte loop from Villars-lès-Blamont is named for its scenic outlook.

What kind of natural attractions can I see along the mountain bike trails?

The area around Grandfontaine is rich in natural attractions. You might encounter highlights such as the Porrentruy Botanical Garden, the unique Dinosaur Tracks of Pommerat, or the serene Doue Spring. There are also several caves to explore, including the Grotte de la Roche and the Réclère Caves.

Are there mountain bike trails that form a loop?

Yes, many mountain bike trails around Grandfontaine are designed as loops, allowing you to start and end at the same point. Examples include the View of Haute Ajoie – Col de Montvoie loop from Grandfontaine and the Porrentruy Castle loop from Vaufrey.

What do other mountain bikers say about the trails in Grandfontaine?

The mountain bike trails in Grandfontaine are highly rated by the komoot community, with an average score of 4.2 stars from over 160 reviews. Riders often praise the challenging cols, rewarding viewpoints, and extensive forest trails that define the region's mountain biking experience.

What is the best time of year for mountain biking in Grandfontaine?

The region's diverse landscape is enjoyable across multiple seasons. Spring and autumn offer pleasant temperatures and vibrant scenery, while summer provides longer daylight hours. Winter conditions can vary, with some trails potentially affected by snow or ice, so it's always best to check local conditions before planning a ride during colder months.

Are there any places to eat or drink near the mountain bike trails?

While specific cafes directly on every trail are not guaranteed, the routes often pass through or near villages and towns where you can find options for refreshments. Planning your route in advance and checking for amenities in nearby settlements like Villars-lès-Blamont or Fahy can help ensure you have access to food and drink.

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