4.4
(10)
123
riders
12
rides
Gravel biking around Etang Au Duc centers on a large freshwater lake in Brittany, France, offering diverse terrain. The region features varied natural habitats, wetlands, and a surfaced greenway developed on an old railway line, providing elevated views. This area is characterized by a mix of dedicated cycling paths, including unpaved segments suitable for gravel biking, and connections to the Brocéliande forest. The landscape provides options for different skill levels, from easy loops around the lake to more challenging long-distance…
Last updated: May 21, 2026
4.0
(3)
29
riders
59.9km
03:57
450m
450m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
25
riders
101km
06:37
930m
930m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.2
(5)
22
riders
14.7km
00:58
60m
60m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
20
riders
78.9km
04:51
720m
720m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
18
riders
149km
08:51
1,370m
1,370m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
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Nice little spot to sit and have a snack peacefully by the water. It's right on the voie verte
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1
Very beautiful castle, the crows that prowl around it make it look... strange.
0
0
Very beautiful castle on the canalized Oust
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0
Josselin and its castle look very impressive from afar. A beautiful sight!
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0
I am always surprised at how well maintained the area around the locks is.
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0
Nautical base equipped with activities
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0
There are over 15 gravel bike trails in the Etang Au Duc area, offering a variety of experiences. The komoot community has explored these routes over 160 times, with an average rating of 4.3 stars.
The region offers a diverse mix of terrain. You'll find a significant surfaced greenway, developed on an old railway line, providing elevated views of the lake. There's also a dedicated 14 km circuit around the lake for 'soft traffic'. While many routes include paved sections, the broader area also features unpaved or challenging segments for those seeking more adventurous gravel experiences.
Yes, there are easy routes perfect for beginners or families. For instance, the Lac au Duc – Dukes' Lake loop from Taupont is an easy 14.7 km trail that offers continuous scenic views around the lake, ideal for a relaxed ride.
Absolutely. For experienced riders looking for a challenge, routes like the Josselin Castle – View of Lac au Duc loop from Taupont offer a difficult 100.2 km journey through diverse terrain, typically taking around 7 hours 45 minutes to complete.
The area is beautiful from spring to autumn, especially with the 3 km Hydrangea Walk showcasing 5,300 hydrangea plants in bloom. These seasons generally offer pleasant weather for cycling and enjoying the natural surroundings.
Many routes offer elevated views of Etang Au Duc. You can also explore the legendary Brocéliande forest, which connects via the lake's greenway. Some routes, like the Josselin Castle – Lock-keeper's house loop from Ploërmel, pass by historical sites such as Josselin Castle.
Yes, Etang Au Duc is a hub for outdoor activities. Besides gravel biking, you can enjoy water sports at the nautical center (windsurfing, kayaking, paddleboarding), hike or run on the 15 km path around the lake, relax at the white sand beach, or play golf. The area's connection to the Brocéliande forest also offers further exploration.
Yes, a popular option is the 14 km circuit around the lake, dedicated to 'soft traffic'. The Lac au Duc – Dukes' Lake loop from Taupont is an excellent example of a circular route that provides continuous scenic views of the lake.
While many natural areas in Brittany welcome dogs, it's always best to check specific trail regulations or local signage regarding dogs, especially around protected wetlands or private properties. Generally, dogs on a leash are permitted on public paths.
Parking is generally available at key access points around the lake, particularly near popular recreational areas and towns like Taupont and Ploërmel. Look for designated parking lots close to the main cycling paths and the nautical center.
Public transport options, such as local buses (BreizhGo), connect towns like Ploërmel and Taupont. However, policies regarding bikes on buses can vary, so it's advisable to check with the specific transport provider for their bike carriage rules before planning your journey.
Yes, you'll find cafes, restaurants, and shops in the nearby towns of Taupont and Ploërmel, which are often starting or passing points for many routes. These provide opportunities for refreshments and meals during or after your ride.
The gravel biking routes around Etang Au Duc are highly rated by the komoot community, with an average score of 4.3 stars from over 10 reviews. Riders often praise the diverse terrain, the scenic views of the lake, and the well-maintained greenways that make for an enjoyable experience.


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