4.5
(19)
100
riders
35
rides
No traffic gravel bike trails around Lassy are primarily found within the Vallée du Canut, a protected natural area south of Rennes in Brittany, France. This region is characterized by diverse landscapes including heathlands, woods, meadows, and the Canut River, which shapes the valley. The terrain is varied, offering both open spaces and more rugged sections suitable for gravel biking, often featuring diverse trails through woods, valleys, and steep riverbanks.
Last updated: July 3, 2026
4.2
(9)
44
riders
41.0km
02:24
220m
220m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Sign up for free
4.0
(2)
9
riders
60.7km
03:29
350m
350m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
13
riders
120km
06:57
560m
560m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
5.0
(1)
6
riders
43.1km
02:41
330m
330m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Popular around Lassy
Magnificent place along the canal for a peaceful ride. Even though the cycle path is not in impeccable condition in some places.
0
0
magnificent castle, a superb park
0
0
Easy course, beautiful lights.
0
0
Very small but very cute castle in the middle of the forest
0
0
Until 15/3/25, don't miss the Val d'Oise Washhouses and Fountains Exhibition at Puiseux-en-France Town Hall, Place Jean Moulin, bringing together 30 photographs by François Vuillemet and discover some of the 250 washhouses and fountains on the Vexin.
0
0
very good course for trail training
0
0
There are over 30 traffic-free gravel bike trails around Lassy, offering a wide range of options for all skill levels. You'll find a good mix of easy, moderate, and challenging routes to explore the beautiful Vallée du Canut and its surroundings.
The gravel bike trails around Lassy primarily traverse the diverse landscapes of the Vallée du Canut. You can expect a mix of heathlands, woods, forests, and meadows. The region is known for its 'terrain accidenté' (rough terrain), which provides an engaging challenge for gravel bikers, often featuring stony paths along the Canut River.
Yes, Lassy offers several easy, traffic-free gravel routes suitable for families or beginners. These trails often follow marked paths through the Vallée du Canut, allowing you to enjoy the natural beauty without significant technical challenges. For a moderate option, consider the Chantilly Castle – Chantilly Castle loop from La Borne Blanche, which is just over 41 km.
Absolutely. Many of the gravel bike trails around Lassy are designed as circular routes, allowing you to start and finish at the same point. This is ideal for exploring the region's natural beauty efficiently. An example is the Hunting Castle – Pond and Château de la Chasse loop from Montsoult - Maffliers, a moderate 24.9 km ride.
The Vallée du Canut itself is a protected natural area with rich biodiversity, offering scenic views of the Canut River, heathlands, and forests. Keep an eye out for the Étang de Belouze and Lande de la Briantais for their significant faunal and floral interest. While riding, you might spot rare butterflies or various bird species like the Dartford warbler.
Yes, the region offers historical points of interest. The Royaumont Abbey is a significant historical site nearby. You can also find several castles in the broader area, such as Pontarmé Castle or the White Queen's Castle, which can be incorporated into longer rides or visited separately.
Lassy is enjoyable for gravel biking throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful scenery with changing foliage. Summer provides warm weather, perfect for longer rides, though some wooded sections offer welcome shade. Even winter can be suitable, especially on drier days, allowing you to experience the quiet beauty of the Vallée du Canut.
Yes, for experienced riders seeking a challenge, Lassy offers several difficult, traffic-free gravel routes. These often feature more elevation gain and varied terrain. A demanding option is the Pond and Château de la Chasse – Hunting Castle loop from Montsoult - Maffliers, covering nearly 42 km with significant elevation changes.
While specific trailhead parking isn't always explicitly marked, Lassy is a quiet village, and you can typically find parking in or near the village center. Many routes start from accessible points, and local amenities often provide parking options. For routes starting further afield, check the specific tour details on Komoot for suggested starting points.
The Ille-et-Vilaine department has a developing network of cycle routes. While direct public transport access to specific trailheads in Lassy might be limited, Rennes, a larger city nearby, offers more extensive public transport connections. From Rennes, you might consider cycling to Lassy or using regional bus services that can accommodate bikes, though checking specific routes and schedules is recommended.
The komoot community highly rates the trails around Lassy, with an average score of 4.2 stars. Riders frequently praise the peaceful, traffic-free environment, the diverse natural landscapes of the Vallée du Canut, and the opportunity to immerse themselves in nature. The varied terrain and well-maintained paths also receive positive feedback.
Yes, the region around Lassy is dotted with beautiful lakes and ponds. The Vallée du Canut itself is shaped by the Canut River. You can find routes that pass by the Blue Lake of Carnelle or the Le Petit Étang de Carnelle, offering picturesque views and tranquil spots for a break.


Browse the best Gravel rides in other regions.