4.6
(202)
1,352
riders
45
rides
No traffic touring cycling routes around Saint-Cast-Le-Guildo are situated on Brittany's Emerald Coast, characterized by its blue-green waters, cliffs, and bays. The peninsula lies between the Bay of Arguenon and the Bay of Fresnaye, offering diverse coastal scenery from headlands like Pointe de la Garde and Pointe de Saint-Cast. Inland, the landscape transitions to wooded valleys and marshlands, including the Marais des Salines, which features greenways on former railway lines. This varied terrain provides a range of surfaces and elevations…
Last updated: May 7, 2026
4.7
(3)
32
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4.6
(7)
17
riders
29.9km
01:54
180m
180m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.0
(4)
16
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
18
riders
62.8km
03:55
640m
640m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(4)
17
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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The Tour de l'Horloge on Rue de l'Horloge is a medieval bell tower dating back to the late 15th century. Originally serving as a watchtower and town hall, it now houses a small museum. At 40 meters high and with 158 steps, it offers impressive panoramic views of the Old Town, the surrounding area, and, on a clear day, even as far as Mont Saint-Michel.
1
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Magnificent beach with few people, one of Brittany's great assets
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Stopped for lunch at "La cabane du Pêcheur", not bad at all
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As the pictures of previous cyclists show, this area could once again benefit from some maintenance.
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A path through the swamps for the railway.# Thanks for the bike path!
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Very beautiful path through a wooded area, but some wet parts even in summer in the first part (Arguenon mouth side)
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It's a shame there isn't a cycle path at the marsh bridge, because getting down isn't easy at all.
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There are over 40 dedicated no-traffic touring cycling routes around Saint-Cast-Le-Guildo. These routes cater to various skill levels, with 12 easy, 21 moderate, and 7 difficult options to explore the region's stunning landscapes.
Yes, Saint-Cast-Le-Guildo offers several easy no-traffic routes perfect for beginners and families. An excellent option is the Saint-Cast – Isle Point loop from Saint-Cast-le-Guildo, which covers just over 11 km with minimal elevation gain, allowing you to enjoy the coastal scenery at a relaxed pace.
The no-traffic touring routes in Saint-Cast-Le-Guildo offer a varied terrain. You'll find a mix of paved surfaces, greenways (often on disused railway lines), and some unpaved segments. While many routes are relatively flat, especially those along estuaries or converted railway lines, some coastal paths and routes connecting to areas like Cap Fréhel can feature challenging gradients and more significant elevation changes, such as the Pont des Marais de Plurien – Côtière Footbridge loop with over 570 meters of ascent.
Cycling these routes allows you to experience the Emerald Coast's captivating blue-green waters, dramatic cliffs, and picturesque bays. You can enjoy panoramic views from headlands like the Pointe de la Garde and the Pointe de Saint-Cast. Notable landmarks include the impressive 14th-century Fort La Latte and the ruins of Château du Guildo. Many routes also pass through lush wooded valleys and marshlands, such as the Marais des Salines.
Yes, for those seeking a longer challenge, routes like the Dinan Clock Tower – Guildo Castle loop from Saint-Cast-le-Guildo offer over 60 km of cycling with significant elevation gain, providing a rewarding experience through diverse landscapes and historical sites. The region is also part of La Vélomaritime (EuroVelo 4), offering opportunities for multi-day adventures on dedicated cycle paths and quiet country roads.
The best time for touring cycling in Saint-Cast-Le-Guildo is generally from spring to early autumn (April to October). During these months, the weather is typically mild and pleasant, with less rainfall and more sunshine, making for ideal cycling conditions. The coastal scenery is particularly vibrant in spring and summer.
Many of the greenways and quieter country roads that form part of the no-traffic touring cycling routes are suitable for cycling with dogs, provided they are well-behaved and kept on a leash. However, it's always advisable to check specific route regulations or local signage, especially in nature reserves or protected areas, to ensure dogs are permitted.
Parking is generally available in and around Saint-Cast-Le-Guildo, particularly near popular starting points for cycling routes, such as the town center, beaches like Grande Plage, or near the Port d'Armor. Many villages and towns along the routes also offer public parking facilities. Look for designated parking areas or car parks when planning your starting point.
The area is highly rated by the komoot community, with an average score of 4.57 stars. Reviewers often praise the stunning coastal views, the variety of routes catering to different skill levels, and the peaceful, traffic-free nature of many paths. The blend of historical landmarks and natural beauty, such as the Emerald Coast and Cap Fréhel, is frequently highlighted as a major draw.
Yes, many of the no-traffic touring routes in Saint-Cast-Le-Guildo are designed as circular loops, allowing you to start and end your ride in the same location. For example, the Matignon – Squirrels' Path loop from Saint-Cast-le-Guildo is a moderate 29 km circular route that takes you through varied landscapes without needing to arrange transport back to your starting point.
Saint-Cast-Le-Guildo and the surrounding towns and villages offer a good selection of cafes, restaurants, and accommodation options. You'll find places to refuel or stay overnight in coastal towns, charming inland villages, and near popular attractions. Many establishments are accustomed to catering to cyclists, especially along the Vélomaritime route.
Yes, several routes in the region provide spectacular views of the Cap Fréhel Lighthouse. While the Trail between Cap Fréhel and Fort La Latte is primarily a hiking trail, many cycling routes in the vicinity offer panoramic vistas of this iconic landmark and the dramatic cliffs of Cap Fréhel, which is a rewarding destination for a touring cycling adventure.


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