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Routes
Road cycling routes
France
Auvergne Rhône Alpes
Grenoble

Saint-Vincent-De-Mercuze

The best road cycling routes around Saint-Vincent-De-Mercuze

4.5

(293)

6,606

riders

133

rides

Road cycling routes around Saint-Vincent-De-Mercuze are situated in the Isère valley, at the foot of the Chartreuse massif, offering views of the Belledonne massif and the Grésivaudan plain. The terrain features winding roads through Alpine scenery and challenging mountain passes. Climbs such as the Col du Cucheron and Col de Marcieu present sections with gradients exceeding 10%. This region provides a diverse landscape for road cyclists.

Best road cycling routes around Saint-Vincent-De-Mercuze

  • The most popular road cycling route is Granier…

Last updated: May 4, 2026

22

riders

#1.

Fort Barraux – Lovely road in the valley loop from La Flachère

63.3km

03:22

1,090m

1,090m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard
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Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy

10

riders

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Tips from the Community

Clément
December 2, 2025, ↗ "Col du Granier" depuis Chapareillan

Here is the route for the ascent of the Col du Granier starting from Chapareillan.

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quiet route, away from the main road

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strange monument erected in honor of Mr. Ernest Doudart, who distinguished himself in Indochina

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There are a few parking spaces in front of the town hall, and a parking lot just behind. It's a good starting point for hiking, but we prefer the Via Ferrata parking lot at the exit of the village.

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pretty little church. There was a church to St Vincent de Mercuse, from the 12th century

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Small resort, but big assets

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Ulrich
August 7, 2025, Col du Granier

Warning: The climb from the east side is extremely steep! An average gradient of around 10% over 9-10 km.

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Climb to the Col du Barioz via Les Fontaines and Le Charpieux. A technical climb after Les Perrins requires vigilance and some pushing. Please note: Passage after Les Perrins may be blocked during the summer by an electric sheep fence.

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Frequently Asked Questions

How many road cycling routes are available around Saint-Vincent-De-Mercuze?

There are over 130 road cycling routes around Saint-Vincent-De-Mercuze, offering a wide range of options for different skill levels. You'll find everything from easier valley rides to challenging mountain ascents.

What kind of terrain can I expect on road cycling routes in Saint-Vincent-De-Mercuze?

The terrain around Saint-Vincent-De-Mercuze is diverse, featuring winding roads through spectacular Alpine scenery and challenging mountain passes. You'll cycle through the Isère valley, at the foot of the Chartreuse massif, with views of the Belledonne massif and the Grésivaudan plain. Expect significant elevation changes on many routes.

Are there challenging climbs for experienced road cyclists in the area?

Absolutely. The region is known for its demanding climbs. Passes like the Col du Cucheron and Col de Marcieu feature sections with gradients exceeding 10%, and even over 12% in places. For example, the route Marcieu Pass – Col de Marcieu Road loop from Sainte-Marie-d'Alloix is a difficult 70 km ride with nearly 2000 meters of elevation gain.

What are some scenic viewpoints or landmarks I can see while cycling?

Many routes offer breathtaking panoramas. You can expect views of the Belledonne massif, the Grésivaudan plain, and even glimpses of Mont Blanc from higher elevations. The Col du Cucheron is known for its beautiful surroundings, and the Marcieu Pass also provides magnificent vistas.

Are there any waterfalls accessible or visible from road cycling routes?

Yes, the area is home to several beautiful waterfalls. The Saint-Même Cirque Waterfalls are a notable natural site, and you can also find The Alloix Waterfalls. While not always directly on a road cycling route, they are often nearby and can be a great stop for a break or a short walk.

What is the best time of year for road cycling in Saint-Vincent-De-Mercuze?

The best time for road cycling in Saint-Vincent-De-Mercuze is generally from late spring through early autumn (May to October). During these months, the weather is typically mild, and mountain passes are clear of snow, allowing access to the full range of routes and stunning Alpine scenery.

Are there any easy or beginner-friendly road cycling routes?

Yes, while the region is known for its challenging climbs, there are also easier options. For instance, the Old La Flachère station loop from Le Touvet is an easy 11 km route with minimal elevation gain, perfect for beginners or a relaxed ride.

What do other road cyclists enjoy the most about road cycling in Saint-Vincent-De-Mercuze?

The area is highly rated by the komoot community, with an average score of 4.5 stars from over 300 reviews. Cyclists often praise the stunning Alpine scenery, the variety of challenging climbs and scenic descents, and the well-maintained roads that wind through the Chartreuse massif and Isère valley.

Can I find circular road cycling routes in this region?

Yes, many of the routes around Saint-Vincent-De-Mercuze are designed as loops, allowing you to start and finish in the same location. An example is the Granier Pass – Old La Flachère station loop from Sainte-Marie-d'Alloix, a challenging 39 km circular route.

Are there routes that offer a mix of valley riding and climbs?

Definitely. Many routes combine sections through the flat Isère valley with ascents into the foothills of the Chartreuse massif. The Touvet Castle – Lovely road in the valley loop from Sainte-Marie-d'Alloix is a great example, offering a 62 km ride that balances valley cruising with some elevation.

Are there any specific mountain passes I should aim to cycle?

For road cyclists, the Col du Cucheron and the Marcieu Pass are iconic climbs in the region. The climb to Col du Cucheron, starting from Saint Laurent du Pont, is particularly noted for its demanding sections and rewarding views.

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