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France
Auvergne Rhône Alpes
Grenoble

Nantes-En-Rattier

The best MTB trails around Nantes-En-Rattier

4.4

(214)

1,102

riders

96

rides

Mountain biking around Nantes-En-Rattier offers diverse terrain on the Matheysin plateau, providing extensive views of the French Alps and surrounding mountain ranges. The region features a mix of stone and ground trails, with significant elevation gains that challenge riders. Picturesque views of Lac de Petichet and various valleys, alongside the dramatic backdrop of peaks like Obiou and Grand Armet, define the landscape.

Best mountain bike trails around Nantes-En-Rattier

  • The most popular mountain bike trail is Boucle de Pique de Nantes

Last updated: August 25, 2026

5.0

(1)

12

riders

#1.

Boucle de Pique de Nantes

21.1km

03:03

1,100m

1,100m

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

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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)

14

riders

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

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

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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Tips from the Community

Darphin
May 28, 2026, Le Banc

small summit at 2200 m just before Tabor when arriving from Piquet de Nantes on the ridge path.

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a nice summit offering a 360° panorama

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Darphin
January 20, 2026, Col du Senepy

Before reaching the summit of the pass, in the alpine pasture, this water catchment is beautifully painted

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Steep last bends from the pass on a very grassy track, it's for the strong. But the reward: What a 360° panorama at the top!

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William Cook
November 18, 2023, Piquet de Nantes

A vast, grassy ridge top, with spectacular views of neighboring peaks, valleys and lakes. Despite this peak's slightly lower altitude, at 2,214 meters, you'll still get a great mountain feel as you hurtle down the alpine trails and sharp turns.

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Frequently Asked Questions

How many mountain bike trails are there around Nantes-En-Rattier?

There are over 80 mountain bike trails around Nantes-En-Rattier, offering a wide range of options for all skill levels. The komoot community has explored more than 80 routes in the area.

What kind of terrain can I expect on the mountain bike trails in Nantes-En-Rattier?

The trails around Nantes-En-Rattier feature diverse terrain, including stone and ground surfaces. You'll find yourself on the Matheysin plateau, with significant elevation gains and varied mountain landscapes. Some routes may require pushing your bike due to their challenging nature.

Are there any easy mountain bike trails suitable for beginners or families?

Yes, there are several easier options. For a more relaxed ride, consider the View of Lac de Petichet – TO DEFINE loop from Susville. This easy 15.4-mile (24.7 km) route has a moderate elevation gain of around 900 feet (274 meters), making it suitable for those looking for a less strenuous experience.

What are the most challenging mountain bike trails in the region?

For experienced riders seeking a challenge, Nantes-En-Rattier offers several difficult routes. The Piquet de Nantes loop from Saint-Honoré is a demanding 24.7-mile (39.7 km) trail through the Massif du Tabor, with an elevation gain of over 5,500 feet (1,687 meters). Another challenging option is the Mountainbike loop from La Mure, a 29.2-mile (46.9 km) difficult route.

What natural features and viewpoints can I see while mountain biking in Nantes-En-Rattier?

The region offers breathtaking natural beauty. You can enjoy panoramic views of the French Alps, the Matheysine lakes, and prominent peaks like Obiou and Grand Armet. Specific viewpoints include The Belvedere of Alpe du Grand Serre and the View of Lake Petichet. The area also features a protected marsh zone and the impressive Vercors cliffs in the distance.

Are there any lakes or water features accessible from the mountain bike trails?

Yes, the region is known for its picturesque lakes. You can find views of Lac de Petichet along some routes, and other notable lakes in the vicinity include Lake Laffrey and Lake Brouffier. These offer scenic spots to pause and enjoy the landscape.

What do other mountain bikers say about the trails in Nantes-En-Rattier?

The mountain bike trails in Nantes-En-Rattier are highly rated by the komoot community, with an average score of 4.4 stars from over 180 reviews. Riders often praise the high mountain experience, the extensive views over the Matheysine lakes, and the diverse terrain that caters to various skill levels.

What is the best time of year to go mountain biking in Nantes-En-Rattier?

Given the region's high mountain characteristics and potential for significant elevation, the best time for mountain biking is typically from late spring through early autumn. This period generally offers more favorable weather conditions and clear trails, avoiding snow and ice at higher altitudes.

Are there any historical or cultural landmarks near the mountain bike routes?

Beyond the natural beauty, you can explore the ruins of Rattier castle, which offers a historical point of interest. The name 'Rattier' itself is Celtic for a fortified hill, hinting at the area's long history.

Can I find circular mountain bike routes in Nantes-En-Rattier?

Yes, many of the trails are designed as loops. For instance, the Boucle de Pique de Nantes is a popular 13.1-mile (21.1 km) circular route offering challenging climbs and descents. Another option is the View of the French Alps – Le Sénépy loop from La Mure, a 21.4-mile (34.5 km) loop with panoramic vistas.

Is Nantes-En-Rattier easily accessible by public transport for mountain bikers?

While specific public transport links directly to trailheads might be limited, Nantes-En-Rattier is located in the Isère department, which has regional transport options. It's advisable to check local bus schedules or consider driving to access the various starting points for the mountain bike trails.

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