4.3
(72)
1,618
riders
262
rides
Road cycling routes around Marcilly traverse diverse landscapes along the Vienne river, featuring hills, valleys, and an alluvial plain. The communal territory offers picturesque scenery for cyclists, including areas fringed with willows and poplars. A notable natural feature is the Courtineau Valley, a 6-kilometer zone rich in biodiversity, where cyclists can discover troglodyte dwellings and ancient water mills. This terrain provides varied options for road cyclists.
Last updated: August 26, 2026
4.0
(2)
25
riders
53.8km
02:19
390m
390m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
22
riders
33.7km
01:30
270m
270m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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13
riders
60.8km
02:36
460m
470m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
6
riders
26.7km
01:13
250m
250m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
4.0
(1)
5
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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During very high tides, your wheels may be in the water.
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A bridge with a long history! Even the Romans passed along here! And at the end of World War II, American troops passed through here to liberate France. Today, people make pilgrimages past the bridge on their way to Mont St. Michel.
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Montgommery Castle was built in the 17th century by the Montgommery family, prominent Protestants involved in the death of King Henry II of France. The castle is Renaissance style, with a terrace, a balcony and a chapel dedicated to Saint Marguerite. You can explore the castle and its surroundings, and learn more about its history and architecture. You can also play a game of Ducey-Code, a live investigation game that mixes puzzles and history in the castle. The castle is open from Wednesday to Sunday, from 2:00 p.m. to 6:00 p.m.
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The “Pont de Pontaubault” is a beautiful work of art, the construction of which dates back to the 15th century. It is the first bridge to cross the Sélune, between Saint-Quentin-sur-le-Homme (right bank) and Pontaubault (left bank). It is located on the old road from Avranches to Rennes, via Saint-James. Since the arrival of the A84 motorway it has mainly been used locally. The bridge has eleven arches and is built with stone masonry. There is a picnic area at the bridge, near the railway viaduct of the Caen-Rennes line, not far from the salt meadows where sheep graze. During big tides many spectators and kayakers come to enjoy the spectacle provided by the tide. The bridge has a rich history. It was bombed several times during World War II but withstood these attacks, allowing 100,000 men and 1,500 vehicles to cross. A memorial plaque recalls that "the fate of the war lay on this bridge".
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Beautiful road through beautiful, living nature.
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The “Pont Gilbert - Passerelle de la Sée” is a pedestrian and bicycle bridge that connects Avranches and Marcey-les-Grèves. This bridge is located on the site of a historic bridge and has a ramp for a gentle climb and easy crossing to the other side of the river. It is a very useful bridge and recommended by cyclists. The bridge is also one of the highlights in the Vernix region.
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There are over 260 road cycling routes around Marcilly, offering a wide range of options for cyclists of all abilities. Most routes are classified as moderate, with a good selection of easy and difficult trails as well.
The region features diverse landscapes, including picturesque river valleys along the Vienne, rolling hills, and an alluvial plain. You'll encounter routes with varying elevations, from gentle stretches through willows and poplars to more challenging climbs in the hilly areas.
Yes, Marcilly offers a selection of easy road cycling routes. For example, the Gilbert Bridge over the Sée – View of Mont Saint-Michel loop from Saint-Quentin-sur-le-Homme is an easy 17.1-mile trail that takes about 1 hour 11 minutes to complete, ideal for those new to road cycling.
For experienced riders seeking longer distances, routes like the Sélune Riverbank – View of Mont Saint-Michel loop from Le Grand-Celland offer a moderate 49.1-mile journey, following riverbanks and providing distant views. Another option is the Mur de La Lorière – The upper Sée valley loop from Le Grand-Celland, a challenging 41.5-mile route with significant elevation gain.
Many routes pass through scenic areas and near historical sites. You can explore the rich biodiversity of the Courtineau Valley, which features troglodyte dwellings and ancient water mills. Nearby attractions include the historic Montgommery Castle, the Pontaubault Bridge, and the Banks of the Sélune at Pontaubault. The village of Marcilly-sur-Vienne itself has the ancient Église Saint-Blaise and traditional homes.
Yes, many of the road cycling routes around Marcilly are designed as loops, allowing you to start and finish at the same point. Examples include the popular Roadbike loop from Le Grand-Celland and the Montgommery Castle loop from Saint-Quentin-sur-le-Homme.
The spring and autumn months generally offer the most pleasant conditions for road cycling in Marcilly, with milder temperatures and beautiful scenery. Summer can also be enjoyable, but it's advisable to cycle earlier in the morning or later in the afternoon to avoid the midday heat.
The road cycling routes in Marcilly are highly rated by the komoot community, with an average score of 4.4 stars from over 60 reviews. Cyclists often praise the diverse landscapes, the quiet roads, and the variety of routes suitable for different fitness levels.
While specific cafes are not listed for every route, the region's villages and towns, including Marcilly-sur-Vienne, offer amenities where you can find refreshments. Planning your route to pass through these areas is recommended for breaks and supplies.
Information on specific public transport links directly to the start points of all routes is not readily available. It is generally recommended to plan your journey by car to reach the starting points of the routes, especially for those in more rural areas.
Parking is typically available in the villages and towns where many routes begin, such as Le Grand-Celland or Saint-Quentin-sur-le-Homme. Look for designated parking areas or public spaces within these communities.


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