4.3
(8)
42
hikers
12
hikes
Hiking around Etang De La Hardouinais offers diverse landscapes centered on the 45-hectare artificial lake, a key ecological feature. The region is characterized by its tranquil and verdant environment, bordered by the extensive Forêt de la Hardouinais. This area supports varied flora and fauna, including wintering birds, and provides a natural setting for outdoor activities.
Last updated: July 9, 2026
4.0
(2)
3
hikers
3.42km
00:53
20m
20m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.0
(2)
7
hikers
10.0km
02:39
90m
90m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Sign up for free
2
hikers
3.74km
01:00
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
10
hikers
12.5km
03:21
150m
150m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3
hikers
6.61km
01:43
50m
50m
Easy hike. Great for any fitness level. Easily-accessible paths. 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 Etang De La Hardouinais
There are over 10 hiking routes available around Etang de la Hardouinais, offering a variety of experiences from easy lakeside strolls to more challenging forest explorations.
Yes, the region offers several easy trails. A popular option is the Étang de la Hardouinais loop from Saint-Launeuc, which is an easy 3.4 km path following the lake's banks, typically completed in under an hour. This trail is accessible for nearly everyone.
Hikers can enjoy a diverse natural environment. The central feature is the tranquil 45-hectare Etang de la Hardouinais, known for its ecological importance, supporting various fish and serving as a habitat for wintering and migratory birds. The lake is bordered by the majestic Forêt de la Hardouinais, offering dense woodlands, wetlands, and diverse flora. You might even spot deer and wild boar.
Yes, many of the trails are circular. For instance, the Étang de la Hardouinais loop from Saint-Launeuc is a well-known circular path. Other circular options include the Old Merdrignac station loop from Merdrignac and the Megalith du Perfaux A – Menhir du Perfaux B loop from Saint-Vran, which delve deeper into the forest.
The routes in Etang de la Hardouinais are highly rated by the komoot community, with an average score of 4.5 stars from over 7 reviews. Hikers often praise the calm lake waters, dense woodlands, and the ecologically rich wetlands, highlighting the serene and immersive natural experience.
While there are no 'difficult' graded trails, moderate options provide longer excursions. The Old Merdrignac station loop from Merdrignac is a moderate 10.6 km path leading through the Forêt de la Hardouinais. Another moderate choice is the Megalith du Perfaux A – Menhir du Perfaux B loop from Saint-Vran, an 12.8 km trail through varied forest terrain.
The region is beautiful year-round. Spring and autumn offer pleasant temperatures and vibrant colors, while summer allows for combining hikes with water-based activities at the Base Sports Nature de la Hardouinais. The lake is also a habitat for wintering birds, making the colder months interesting for wildlife spotting.
Yes, some trails offer glimpses into the region's history. The 'Circuit de la forge' allows discovery of the flowery village of Saint-Launeuc and its 15th-century church. Longer forest trails, such as the Megalith du Perfaux loops, may lead you past ancient megaliths, providing a connection to the area's past.
Absolutely. During the summer months, the Base Sports Nature de la Hardouinais offers various water-based activities on the lake, including catamaran, optimist, canoe-kayak, stand-up paddle, and giant paddle. The wider region also provides opportunities for horse-riding and fishing.
The terrain varies from easily accessible paths along the lake's banks to more varied forest terrain within the Forêt de la Hardouinais. You can expect a mix of calm lake waters, dense woodlands, and ecologically rich wetlands, generally well-maintained and suitable for different fitness levels.
Yes, the Etang de la Hardouinais is recognized for its ecological importance. It supports various white and predatory fish and serves as a habitat for wintering and migratory birds. The wetlands boast diverse, sometimes protected, flora, and the lake's banks are frequented by deer and wild boar, making it an excellent spot for nature observation.


Browse the best Hikes in other regions.