4.8
(72)
342
hikers
38
hikes
Hiking around Saint-Mars-Sur-Colmont, located in the Mayenne department of north-western France, offers diverse natural features. The region is characterized by tranquil countryside, traversed by the river Colmont, a tributary of the Mayenne. Hikers can explore greenways, wooded valleys, and countryside paths, providing varied terrain for outdoor activities. The landscape includes riverine scenery and opportunities for walks along the water.
Last updated: May 7, 2026
4.8
(8)
31
hikers
14.9km
03:55
120m
120m
Hike the moderate Au Long du Lac Trail, a 9.3-mile (14.9 km) loop with 389 feet (119 metres) of elevation gain, taking about 4 hours.
4.7
(6)
22
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.7
(6)
19
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.3
(12)
38
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Marking of the cycle path 🚴♂️💪🏼🌳
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Beautiful old house, which is privately owned
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Nice swimming pool at the campsite 🏕️
1
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Great old railway bridge over the river
1
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small pool by the water but be careful, you have to wear tight pants, baggy pants don't work
1
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very pleasant old station building
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The mammoth leaf is not seen very often
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There are over 35 hiking trails in the Saint-Mars-Sur-Colmont region, offering a wide variety of options for all skill levels. You'll find everything from easy strolls to more challenging routes.
The region is characterized by its tranquil countryside, greenways, and the scenic Mayenne river valley. Hikers can explore repurposed railway lines, wooded valleys, and paths along the water, offering a blend of natural beauty and historical elements like the Viaduc de la Rosserie.
The trails in Saint-Mars-Sur-Colmont are highly rated by the komoot community, with an average score of 4.8 stars from over 70 reviews. Hikers often praise the serene river landscapes, the well-maintained greenways, and the varied countryside paths that offer a peaceful outdoor experience.
Yes, Saint-Mars-Sur-Colmont offers many easy trails perfect for families and beginners. For example, the Viaduc de la Rosserie – View of the River Mayenne loop from Ambrières-les-Vallées is an easy 3.6-mile (5.8 km) path that provides lovely views without significant elevation gain.
Absolutely. While many trails are easy to moderate, there are options for longer distances. The Au Long du Lac Trail is a moderate 9.3-mile (14.9 km) route that takes nearly 4 hours to complete, offering a more extended exploration of the landscape.
Many trails in the Saint-Mars-Sur-Colmont region are dog-friendly, especially those through the countryside and along greenways. It's always recommended to keep your dog on a leash, especially near livestock or in protected natural areas, and to check specific trail regulations if available.
Yes, circular routes are popular in the area. The Viaduct over the Mayenne – Greenway loop from Ambrières-les-Vallées is a great example, offering a 3.3-mile (5.3 km) loop through riverine scenery. Another option is the Around the lake – Très joli ravin loop from Ambrières-les-Vallées.
Spring and autumn are generally ideal for hiking in Saint-Mars-Sur-Colmont, offering pleasant temperatures and beautiful scenery. Spring brings blooming wildflowers, while autumn showcases vibrant foliage. Summer can also be enjoyable, especially for walks along the river, but it's advisable to start early to avoid the midday heat.
Yes, the region offers several points of interest. You can encounter historical structures like the Viaduc de la Rosserie and the Viaduct over the Mayenne. The nearby town of Mayenne also features the historic Château de Mayenne, which can be incorporated into longer itineraries.
Parking is generally available near trailheads, especially in villages like Ambrières-les-Vallées, which serves as a starting point for several popular routes. Look for designated parking areas in town centers or near popular attractions like the Viaduc de la Rosserie.
While Saint-Mars-Sur-Colmont is a rural area, some larger towns in the Mayenne department may have limited public transport connections. However, for direct access to many trailheads, especially those in more secluded areas, traveling by car is often the most convenient option.
Yes, you'll find various options for food and accommodation in and around Saint-Mars-Sur-Colmont and nearby towns like Mayenne and Ambrières-les-Vallées. These include local restaurants, cafés, and guesthouses, perfect for refueling and resting after a day of hiking.


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