4.5
(383)
2,876
riders
14
rides
Touring cycling around Grimbosq offers routes through the expansive Forêt de Grimbosq, characterized by mixed beech and oak trees on a schist plateau. The region is traversed by tributaries of the Orne River and features a dedicated "Voie Verte" (greenway) for traffic-free riding. Its location at the gateway to "Norman Switzerland" provides varied terrain, from forest paths to more undulating landscapes.
Last updated: August 1, 2026
4.8
(129)
639
riders
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.
4.5
(42)
273
riders
86.0km
05:25
720m
720m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(49)
377
riders
65.1km
03:53
360m
360m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
11
riders
14.8km
01:24
160m
160m
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.
15
riders
109km
07:23
610m
610m
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.
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For a fairly long stretch, you can travel back and forth in the valley on the still-existing tracks on the Dreysene. The acacia shoots make the ride interesting for those sitting on the tree side, and there are plenty of views of the valley.
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The factory buildings aren't exactly worth seeing. But the thatched-roof house or office building is a dream. —perhaps even nightmarish?
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a great cycle path through the railway tunnel - the tunnel is beautifully lit.
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A rest area at the train station. There's more than just tables and benches here, plus a nice place to linger.
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It is not easy to admire this site because it is hidden by the trees in summer.
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The most beautiful landscapes of Swiss Normandy
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Grimbosq offers a diverse range of touring cycling routes, from paths through the expansive Forêt de Grimbosq with its mixed beech and oak trees, to dedicated "Voie Verte" (greenway) sections for traffic-free riding. The region's location at the gateway to "Norman Switzerland" also means you'll encounter varied terrain, including more undulating landscapes and challenging ascents.
While many routes in Grimbosq are rated as moderate to difficult, the Sainte-Anne Viaduct – Suisse Normande Greenway loop from Grimbosq is a moderate option that utilizes the greenway, providing a less strenuous experience. The Forêt de Grimbosq – Site archéologique loop from Grimbosq, though rated difficult, is shorter at 17.4 km and primarily explores the forest, which can be more manageable for those seeking a forest experience.
Many routes pass by significant points of interest. You can cycle past the historical Former mine at May-sur-Orne, offering a glimpse into Normandy's industrial past. The scenic Sainte-Anne Viaduct is a frequent feature, providing picturesque views. Within the Forêt de Grimbosq, you can find the Olivet Castle Mound, an 11th-century archaeological site, and the discreet Chapelle Sainte-Anne on the banks of the Orne.
Yes, many of the touring cycling routes around Grimbosq are designed as loops, allowing you to start and end at the same point. For example, the popular Sainte-Anne Viaduct – Former mine at May-sur-Orne loop from L'Acre is a circular route, as is the Forêt de Grimbosq – Site archéologique loop from Grimbosq.
The region is beautiful throughout the warmer months. Spring and autumn offer pleasant temperatures and vibrant scenery, with the changing leaves in the Forêt de Grimbosq being particularly striking in autumn. Summer is also suitable, though it can be warmer. Always check local weather conditions before heading out.
The touring cycling routes in Grimbosq are highly regarded by the komoot community, holding an impressive average rating of 4.6 stars from over 300 reviews. Cyclists often praise the quiet woodlands, the well-maintained greenway sections, and the varied landscapes that make each ride unique.
Grimbosq is considered a gateway to "Norman Switzerland" (Suisse Normande), a region known for its rugged, hilly landscapes. Longer routes like the Sainte-Anne Viaduct – Clécy Viaduct loop from Saint-Laurent-de-Condel extend into this wider area, connecting notable viaducts and offering extensive views. The presence of the "Voie Verte" also facilitates longer, traffic-free journeys.
While the Forêt de Grimbosq itself has numerous picnic areas, the surrounding villages and towns, such as Thury-Harcourt, offer various options for cafes, pubs, restaurants, and accommodation. These can serve as convenient starting points or rest stops for your cycling adventures.
The routes around Grimbosq cater to various skill levels, though the majority are rated as difficult. Out of 12 available routes, 10 are classified as difficult, and 2 are moderate. This indicates that many routes involve significant distances, elevation changes, or varied terrain, making them suitable for experienced touring cyclists.
Absolutely. The Forêt de Grimbosq is a hub for outdoor activities. Besides cycling, you can explore walking trails, visit the animal park to observe local wildlife like deer and wild boars, or discover the arboretums showcasing diverse tree species. Many picnic areas are available for a relaxing break amidst nature.
The Forêt de Grimbosq, being a popular recreational area, has designated parking facilities. You can typically find parking near the main entrances to the forest or at specific trailheads. For routes starting from nearby villages, public parking is usually available in the village centers.
The Forêt de Grimbosq is generally dog-friendly, but it's always best to keep your dog on a leash, especially in areas with wildlife or near the animal park enclosures. Specific rules may apply to certain trails or protected areas, so look for local signage.


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