4.3
(9)
55
riders
02:36
44.2km
180m
Cycling
Cycle a moderate 27.5-mile (44.2 km) loop through the scenic Marais de l'Aure from Isigny-sur-Mer, exploring marshlands and historical sites
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Parking
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288 m
Highlight • Settlement
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448 m
Highlight • Religious Site
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17.0 km
Highlight • Castle
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24.3 km
Highlight • Religious Site
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28.9 km
Highlight • Other
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33.4 km
Highlight • Historical Site
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44.0 km
Highlight • Cycleway
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Tip by
44.2 km
End point
Parking
Way Types & Surfaces
Way Types
23.6 km
19.7 km
500 m
296 m
121 m
Surfaces
22.1 km
21.4 km
619 m
134 m
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Elevation
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Weather
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Wednesday 20 May
23°C
9°C
0 %
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Max wind speed: 10.0 km/h
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This route was planned by komoot.
The full loop, which is approximately 44.2 km (27.5 miles) long, is estimated to take about 2 hours and 36 minutes to complete by touring bicycle. This duration can vary based on your pace and how often you stop to enjoy the scenery or visit points of interest.
Komoot classifies this route as moderate. While the terrain is predominantly flat with minimal elevation gain (around 182 meters total ascent), it covers a distance of 44.2 km. The surface is mostly paved, making it suitable for touring bicycles, though some longer segments might include unpaved sections. This combination makes it accessible for many, but a good level of fitness is recommended for the full distance.
The trail conveniently starts in Isigny-sur-Mer, where you'll find spacious parking facilities. This starting point is well-equipped for cyclists, offering amenities like tire inflation stations and repair tools. You'll also find shops and restaurants nearby for any last-minute needs or post-ride refreshments.
You'll cycle through the distinctive landscapes of the Cotentin and Bessin Marshes, characterized by vast prairies, intricate networks of canals (limes), and grazing cows. The area is rich in biodiversity, offering opportunities to spot wildlife such as egrets and storks. You'll also see traditional Norman houses constructed from raw earth (bauge).
The route offers several interesting sights. You'll pass through the settlement of Isigny-sur-Mer, see the Saint-Georges religious building, and cycle near Colombières Castle and Église Notre-Dame Écrammeville. A significant historical site along the route is the La Cambe German military cemetery, offering a moment for reflection.
While Komoot rates the 44.2 km loop as moderate due to its length, the predominantly flat and paved terrain makes it accessible for cyclists with a reasonable level of fitness. Shorter variants of routes in the area are often described as very easy. For families or beginners, consider your group's endurance for the full distance. The clear markings and well-equipped starting point in Isigny-sur-Mer add to its appeal.
The route is enjoyable for much of the year. During autumn and winter, heavy rains can transform the marshlands into what is known as 'le marais blanc' (the white marsh), where the water level rises to create a vast, reflective lake. This offers a unique and stunning spectacle, especially for wintering birds. However, for generally drier and warmer conditions, spring through early autumn would be ideal.
While the trail itself is a public cycling route, specific regulations for dogs within the Parc naturel régional des Marais du Cotentin et du Bessin may apply. It's generally advisable to keep dogs on a leash to protect local wildlife and ensure a pleasant experience for all users. Always check local signage for any specific restrictions.
No, there are typically no permits or entrance fees required to access and cycle on the trails within the Parc naturel régional des Marais du Cotentin et du Bessin, including the Les Marais de l'Aure loop. The park aims to provide open access to its natural beauty. However, always respect the natural environment and any local regulations.
Yes, the Les Marais de l'Aure loop is part of a broader network of cycling routes. This specific route also passes through sections of the Les Marais de l'Aure trail (which it shares its name with), the EV4 France, Carentan - Grandcamps-Maisy, and smaller paths like Chemin des Domaines and Venelle du Grand Marais. This integration allows for potential extensions or variations to your ride.
Given the route's length and the potential for varying weather, it's advisable to bring sufficient water, snacks, and appropriate cycling gear. A basic repair kit and spare tube are always recommended. Don't forget your camera to capture the unique marshland scenery and wildlife. Sun protection and layers of clothing are also wise, depending on the season.