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France
Pays de la Loire
Châteaubriant-Ancenis

Petit-Mars

The best road cycling routes around Petit-Mars

4.3

(90)

2,774

riders

221

rides

Road cycling routes around Petit-Mars traverse a landscape shaped by the Erdre River, featuring extensive marshes and remnants of ancient forests. This area, part of the Natura 2000 protected zone, offers a tranquil environment for cyclists. The terrain is generally flat with gentle undulations, providing mostly paved surfaces suitable for road bikes. Cyclists can explore the blend of riverside scenery, marshlands, and forested sections characteristic of the region.

Best road cycling routes around Petit-Mars

  • The most popular road cycling route…

Last updated: July 12, 2026

4.5

(4)

46

riders

#1.

Sucé sur Erdre bridge and port – Port of Nort-sur-Erdre loop from Saint-Mars-du-Désert

38.1km

01:35

210m

210m

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

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Easy

5.0

(2)

16

riders

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

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

Easy

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

Raphaël "1969"
June 20, 2026, Pont et port de Sucé sur Erdre

Nicknamed the «pearl of the Erdre», the port of Sucé-sur-Erdre is an unmissable charming stopover where lively terraces and pleasure boats coexist in a green and peaceful setting. It is the ideal starting point for strolling along the quays or taking a trip on the water, to discover one of the most beautiful rivers in France.

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Seb
December 2, 2025, Le mont Juillet

Calvary with a beautiful view

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While the place of worship dates back to the 10th century, the church in its current form dates from the mid-19th century. Numerous shops and restaurants are located nearby.

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Fred
September 11, 2025, Chapelle Saint-Mathurin

Medieval chapel. 11th century according to the sign. Later according to other sources. You will find a bakery nearby and a water tap in the adjoining cemetery, at the entrance on Rue Vieillevigne.

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Also known as the "basin," the port of Nort-sur-Erdre is a lively, historic neighborhood that's a great place to stop off. At the foot of the Saint-Georges Bridge, which separates the wild Erdre from the navigable Erdre, the marina is now a popular place for walking and fishing. Free Wi-Fi access near the Tourist Office Contact the harbor master's office for an extended stay; the first two nights are free. Open year-round Type of facility: Slipway - River stopover - Pontoon - Marina Payment methods: Bank and postal checks Access location: Nort-sur-Erdre train station: 1 km Languages spoken: French Facilities: Picnic area - Restrooms - Services - Playground

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Not much to add to Fred's comment. Except that behind the church and just to the left of the cemetery entrance, there is a tiny chapel (where Zoe de Bonchamps, famous for saving the lives of 5,000 Republican soldiers imprisoned by the Chouans in the abbey church, is buried) with a commemorative plaque in honor of Casson's fighters, donated by the Vendée Military Association.

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The Church of Saint-Louis was built in 1841. It contains a listed alabaster bas-relief dating from the 15th century depicting "the adoration of the Magi between two saints." The bell tower is listed as a natural heritage site because it is home to greater mouse-eared bats, a very rare breed of bat. You'll find a water tap at the entrance to the cemetery near the chapel, behind the church, and a few benches if, like me, you're not only short of water, but also of energy.

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you can also ride with your roadbike, if you're not afraid a little dust

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Frequently Asked Questions

How many road cycling routes are available around Petit-Mars?

There are over 200 road cycling routes around Petit-Mars, offering a wide variety of options for different skill levels. These routes traverse a landscape shaped by the Erdre River, featuring extensive marshes and remnants of ancient forests.

What is the typical terrain like for road cycling in Petit-Mars?

The terrain around Petit-Mars is generally flat with gentle undulations, providing mostly paved surfaces suitable for road bikes. You'll find a blend of tranquil riverside scenery, marshlands, and forested sections characteristic of the region, which is part of the Natura 2000 protected zone.

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

Yes, Petit-Mars offers several easy road cycling routes. For instance, the Marais de Saint Mars – Sucé sur Erdre bridge and port loop from Le Pont David is an easy 23.6-mile (38.0 km) trail exploring the Erdre marshes and riverside paths. Another gentle option is the Mount Juillet loop from Petit-Mars, an easy 17.0-mile (27.4 km) path through the local countryside.

Can I find more challenging road cycling routes with significant elevation around Petit-Mars?

While the region is generally flat, there are routes that offer more varied terrain and moderate challenges. The Launay Castle – Mount Juillet loop from Petit-Mars is a moderate 49.7-mile (80.0 km) trail that leads through diverse landscapes, including the vicinity of Launay Castle, providing a longer and more engaging ride.

What natural features or landscapes can I expect to see while cycling?

You'll experience the tranquil Erdre River, ecologically rich marshes (part of the Natura 2000 protected area), and remnants of historical forests. The region's biodiversity is a highlight, particularly in the Erdre marshes. You might also encounter the Tertre Rouge lake, known for its permanent orientation course.

Are there any interesting landmarks or points of interest along the cycling routes?

Yes, several routes pass by notable points of interest. You can explore areas near the Sucé-sur-Erdre marina, the Tindière Lock, or the Port of Nort-sur-Erdre. Some routes also venture near the Vioreau Reservoir Dam or the Pond of Parc du Charbonneau.

What is the best time of year for road cycling in Petit-Mars?

The Pays de la Loire region generally offers pleasant cycling conditions from spring through early autumn. These seasons provide mild temperatures and less rainfall, making it ideal to explore the riverside scenery and marshlands. Always check local weather forecasts before heading out.

Is it possible to find circular road cycling routes in the area?

Yes, many of the road cycling routes around Petit-Mars are designed as loops, allowing you to start and end in the same location. Examples include the Mount Juillet loop from Saint-Mars-du-Désert and the Ford crossing loop from La Pancarte, providing convenient circular journeys.

Where can I park my car when starting a road cycling route in Petit-Mars?

Petit-Mars, being a commune, typically offers public parking areas within the town center or near popular starting points for outdoor activities. It's advisable to check local signage upon arrival for designated parking zones suitable for longer stays while you cycle.

How can I reach Petit-Mars using public transport with my bike?

While specific public transport options for bikes directly to Petit-Mars might be limited, the broader Loire-Atlantique department has cycling infrastructure like the 'Vélocean' cycle path. For detailed information on bringing bikes on regional trains or buses, it's best to consult the official transport providers for the Pays de la Loire region.

Are road cycling routes around Petit-Mars suitable for cycling with dogs?

Road cycling routes, especially those on paved surfaces and public roads, are generally not ideal for cycling with dogs due to traffic and the nature of the activity. For dog-friendly outings, it's usually better to look for dedicated walking or hiking trails where dogs are permitted and can safely accompany you.

What do other cyclists say about road cycling in Petit-Mars?

The road cycling routes in Petit-Mars are highly rated by the komoot community, with an average score of 4.4 stars from over 100 reviews. Cyclists often praise the tranquil environment, the blend of riverside and marsh landscapes, and the well-maintained paved surfaces that make for an enjoyable ride.

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