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Road cycling routes
France
Auvergne Rhône Alpes
La Tour-Du-Pin

Merlas

The best road cycling routes around Merlas

4.5

(290)

6,967

riders

167

rides

Road cycling routes around Merlas offer a diverse landscape characterized by rolling hills, scenic lake views, and challenging mountain passes. The region features varied terrain, including the notable Col des Mille Martyrs and the tranquil Lake Paladru. Road cyclists can expect routes that traverse both open countryside and forested sections, providing a mix of gradients.

Best road cycling routes around Merlas

  • The most popular road cycling route is Col des Mille Martyrs loop from Saint-Nicolas-de-Macherin, a 17.1 miles (27.6…

Last updated: July 2, 2026

4.7

(11)

216

riders

#1.

View of Lake Aiguebelette – Lac d'Aiguebelette loop from Miribel-les-Échelles

60.1km

02:55

870m

870m

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

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Moderate

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

Moderate
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Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate

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

Moderate

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

Moderate
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Tips from the Community

PinionRadlerJan
July 4, 2026, La Commanderie

Castle of the Templars, currently under renovation.

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Nice place on the Guiers.

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Clément
December 13, 2025, Côte de Voissant

A superb climb which leads us to a magnificent view of the Chartreuse mountains, much more beautiful than at the summit of the Col des Mille Martyrs, and yet much less known!

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Darphin
November 14, 2025, Lac de Paladru

Lake Paladru is very popular in the summer, especially on weekends. Swimming is possible; there's a small, well-equipped beach.

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Darphin
November 14, 2025, Lac de Paladru

This is a classic bike ride around Grenoble, easy and suitable for the whole family.

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Located at the northern end of Lake Paladru, this wetland is fed by the Courbon stream. It is a true extension of the lake, rich in biodiversity and very pleasant.

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Here is the route for the ascent of the Col des Mille Martyrs starting from Saint-Nicolas-de-Macherin

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Here is the route for the ascent of the Col des Mille Martyrs starting from Saint-Geoire-en-Valdaine

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Frequently Asked Questions

What kind of terrain can I expect on road cycling routes around Merlas?

Road cycling around Merlas is characterized by a diverse landscape of rolling hills, scenic lake views, and challenging mountain passes. You'll find routes that traverse both open countryside and forested sections, offering a mix of gradients suitable for various skill levels.

How many road cycling routes are available in the Merlas area?

There are over 150 road cycling routes available around Merlas, catering to a wide range of abilities. This includes approximately 27 easy routes, 91 moderate routes, and 41 difficult routes.

Are there any easy road cycling routes suitable for beginners or families?

Yes, Merlas offers several easy road cycling routes. While specific family-friendly routes aren't detailed, beginners can explore the region's gentler paths. For a moderate but scenic loop, consider the Col des Mille Martyrs loop from Saint-Geoire-en-Valdaine, which is shorter at 10.2 miles (16.4 km) and features a manageable climb.

What are some popular circular road cycling routes in Merlas?

Many routes in Merlas are designed as loops. A popular moderate option is the Lake Paladru – Lac de Paladru loop from Saint-Bueil, offering expansive lake views. Another well-regarded loop is the Lac de Paladru – Lake Paladru loop from Velanne, which also circles the lake.

What can I see along the road cycling routes in Merlas?

Many routes offer stunning views of Lake Paladru. You can also encounter historical sites like the Notre-Dame du Frou Statue or natural features such as the Gorges du Crossey. The Croix des Cochettes View of Lac de Paladru is a notable viewpoint.

Are there challenging road cycling routes for experienced riders?

Absolutely. The Merlas region is known for its challenging mountain passes. The Col des Mille Martyrs – Côte de Voissant loop from Massieu, for instance, is a moderate route with significant elevation gain, leading through hilly terrain and past the Côte de Voissant.

What do other road cyclists say about the routes in Merlas?

The road cycling routes in Merlas are highly rated by the komoot community, with an average score of 4.5 stars from over 270 reviews. Cyclists often praise the varied terrain, scenic beauty, and the mix of challenging climbs and enjoyable descents.

What is the typical length and duration of road cycling routes in Merlas?

Route lengths vary significantly. For example, the Col des Mille Martyrs loop from Saint-Nicolas-de-Macherin is 17.1 miles (27.6 km) and takes about 1 hour 32 minutes. Longer routes, like the Lake Paladru – Lac de Paladru loop from Saint-Bueil, can be around 37.2 miles (59.9 km) and take over 2.5 hours.

When is the best time of year for road cycling in Merlas?

The region's rolling hills and lake views are enjoyable throughout the warmer months. Spring and autumn generally offer pleasant temperatures and beautiful scenery, while summer can be ideal for combining cycling with lake activities. Winter cycling is possible but may require checking local weather and road conditions, especially on higher passes.

Are there any specific attractions or landmarks near the road cycling routes?

Yes, beyond the routes themselves, you can find attractions such as the serene Lake Paladru, which many routes circle. Other points of interest include the Old Saint-Martin Bridge and the The Sarde Road, offering glimpses into the area's history and natural beauty.

Where can I typically start road cycling routes in Merlas?

Many routes originate from towns and villages surrounding Merlas, such as Saint-Nicolas-de-Macherin, Saint-Bueil, Massieu, Velanne, and Saint-Geoire-en-Valdaine. These locations often provide convenient starting points for various loops and offer access to the diverse terrain of the region.

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