3.9
(25)
750
riders
39
rides
Road cycling around Saint-Étienne-De-Montluc, located in the Loire-Atlantique department of France, offers diverse terrain for cyclists. The area features elevated plateaus, the escarpments of the Sillon de Bretagne, and extensive marshlands bordering the Loire River. This combination provides routes ranging from relatively flat sections through wetlands to more challenging ascents. The region's varied topography ensures a dynamic riding experience across its well-paved surfaces.
Last updated: October 21, 2026
4.5
(8)
242
riders
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
84
riders
81.0km
04:05
360m
360m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

4.8
(4)
58
riders
76.8km
03:26
310m
310m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
4.0
(3)
38
riders
24.2km
01:02
60m
60m
Easy road ride. Mostly well-paved surfaces and easy to ride.
30
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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A road allows you to cross the marshes from Saint Etienne de Montluc to Couëron. The elevation gain is zero and the walk is very pleasant.
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A very pleasant crossing of the Loire, especially by bike or on foot. You can take the time to observe the abundant wildlife during the navigation.
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The triple lock of Les champs neufs, located in Frossay on the Canal de la Martinière, is a masterpiece of 19th-century river engineering: * A cascade crossing: Unlike a simple lock, this structure comprises three consecutive chambers that allowed ships to compensate for the difference in level and effectively regulate water flow between the Loire estuary and the canal. * The steam machinery: Right next to the chambers stands the stone building of the La Machinerie du canal, which once housed imposing steam pumps responsible for maintaining the canal's water level constant for commercial navigation. * Heritage and promenade: With its lock gates, metal bridge, and preserved period mechanisms, it is one of the most spectacular and instructive stopping points on the route along the banks.
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A remarkable engineering work inaugurated at the end of the 19th century to maintain maritime navigation towards Nantes, the Canal de la Martinière stretches its 15 kilometers parallel to the Loire estuary. Lined with period machinery, imposing locks, and natural bird reserves, it is today a prime spot for walking, fishing, and cycling on the Voie Verte. The site also hosts the contemporary artwork Misconceivable (the "soft boat") from the Estuaire trail.
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Trentemoult, once a fishing village with very colorful houses, is a former island territory bordered by the Loire, facing the vestiges of the port of Nantes. As early as the 14th century, the village was recognized for having a monopoly on fishing in the Lower Loire. Then, in the 19th century, the Trentemousin sailors abandoned fishing in favor of maritime trade. Today, artists and artisans have replaced the fishermen, cafes and small restaurants have taken their place on the port, now dedicated to pleasure boating.
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You can pass only on one side. You can go up. But down is forbidden.
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Wild place, be careful, some paths are dead ends. Check the map carefully. Several areas flood in winter.
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Saint-Étienne-De-Montluc offers a diverse range of road cycling routes, from relatively flat sections through extensive marshlands to more challenging ascents on elevated plateaus and the escarpments of the Sillon de Bretagne. You'll find routes suitable for various skill levels, with many featuring well-paved surfaces ideal for road bikes.
Yes, the region provides several easy routes, particularly those that traverse the marshlands. These offer a tranquil cycling experience with minimal elevation gain. Out of the 38 routes available, 10 are classified as easy, perfect for a relaxed ride.
Many of the road cycling routes in Saint-Étienne-De-Montluc are designed as loops, allowing you to start and finish in the same location. For example, the Trentemoult – Marais Jean-Jacques Audubon loop from Saint-Étienne-de-Montluc is a moderate 80.8 km circular route that takes you through scenic areas.
The marshlands are a significant natural highlight. Routes like the Martinière Canal – Marais Jean-Jacques Audubon loop from Saint-Étienne-de-Montluc offer picturesque views of canals, étriers, sluices, and locks. The proximity to the Loire estuary also provides beautiful waterside scenery.
While many routes are relatively flat, some incorporate gentle inclines, particularly towards the Sillon de Bretagne. The Our Lady of Bongarant – Côte du Rouchais loop from Saint-Étienne-de-Montluc, for instance, features varied topography including the Côte du Rouchais, offering a more demanding ride with over 450 meters of elevation gain.
Beyond the natural beauty of the marshes and the Loire estuary, you can explore historical sites. The region around Saint-Étienne-De-Montluc features several castles. Consider visiting the Château de la Juliennais, Pé Castle, or Château de la Tour, which are highlights in the area.
The region is generally pleasant for cycling from spring through autumn. The rural charm and natural landscapes are particularly vibrant during these seasons. Checking local weather forecasts before your ride is always recommended to ensure optimal conditions.
Yes, the tourism office offers 'Vélo Détours' circuits designed to help visitors discover the landscapes by bike, including options suitable for families. The flatter marshland routes are often a good choice for family outings, providing a safe and enjoyable experience away from heavy traffic.
Saint-Étienne-De-Montluc actively promotes cycling and organizes events like the 'Fête du Vélo,' which includes guided rides, a bike village, and repair workshops. For more details on local circuits and initiatives, you can check resources like the Estuaire Sillon Tourisme website, which mentions the 'Boucle des Marais' as part of their Vélo Détours. You can find more information about this specific loop here.
The road cycling routes in Saint-Étienne-De-Montluc are highly rated by the komoot community, with an average score of 4.3 stars from over 16 reviews. Cyclists often praise the varied terrain, from tranquil marshlands to more dynamic sections, and the well-paved surfaces that make for an enjoyable riding experience.
Absolutely. The region is characterized by a blend of landscapes. For example, the Marais Audubon – La Maison dans la Loire loop from Saint-Étienne-de-Montluc combines the serene marsh environment with views towards the Loire, offering a diverse and engaging ride.


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