Best lakes around Saint-M'Hervon, now part of Montauban-de-Bretagne, offer diverse natural beauty and recreational opportunities. The area is characterized by its aquatic destinations, catering to various interests from active sports to tranquil nature observation. These lakes and ponds are often surrounded by forests and moorland, providing settings for outdoor activities. The region provides a blend of natural landscapes and opportunities for exploration.
Last updated: July 6, 2026
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Néal waterfall and view of the pond. There is work in progress, so the water level is exceptionally low due to a drain.
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The lake will be emptied in stages in order to carry out work on the dam during 2024. The level has already dropped significantly
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Indeed it is quite sporty and since the path is not often used, you have to avoid brambles, nettles and fallen trees. The point of view is worth the detour on the other hand, an azure or even green water 👍
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⚠️ Black mountain bike trail. Not recommended for beginners. Need to carry the bike in places or even do a little climbing (meaning: trail also not recommended for mountain bikes such as VAE or (some) DH anvils).
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⚠️ Black mountain bike trail. Not recommended for beginners. Need to carry the bike on certain passages and even to do a little climbing
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Visitors frequently enjoy Néal Waterfall and View of the Pond, which offers scenic views, and Lac de Rophemel, a notable natural monument. Beyond these, Lac de Trémelin is highly recommended for its diverse activities and natural beauty, while Étang Saint Eloi is a convenient local spot for relaxation and recreation within Montauban-de-Bretagne.
Yes, several lakes are great for families. Pond of the Municipal Campsite of the Vallée Verte Saint Eloi is known for its facilities and play areas. Étang Saint Eloi features a dedicated playground, a skate park, and a zipline. Lac de Trémelin also offers a supervised beach, tree climbing, and various water sports suitable for all ages.
The lakes offer a wide range of activities. You can enjoy hiking, mountain biking, and cycling on numerous trails. Water sports like pedal boating, canoeing, and kayaking are popular at Lac de Trémelin. Fishing is also a common pastime at many ponds, including Étang Saint Eloi and the Pond of the Municipal Campsite. For more specific routes, you can explore options like gravel biking, cycling, and road cycling routes in the area.
Yes, Lac de Trémelin offers a supervised beach during July and August, certified with the Blue Flag label for excellent water quality, making it ideal for safe swimming. Étang de la Forge also includes a beach area for visitors.
Fishing is a popular activity at several locations. Étang Saint Eloi is known for pike, zander, perch, carp, roach, bream, and tench, with fishing allowed from the bank. The Pond of the Municipal Campsite of the Vallée Verte Saint Eloi is also suitable for fishing. Lac de Trémelin and Étang de la Forge are also popular spots for anglers.
The lakes are often surrounded by forests and moorland, providing rich natural settings. Étang de la Marette is a protected natural space, and the eastern part of Étang de la Forge is an ornithological reserve, attracting various bird species, especially during migrations. Barrage de la Cantache also features an ornithological reserve, making it a good spot for birdwatching.
Étang de la Marette serves as a starting point for hiking trails that wind through the enchanting Brocéliande forest, leading to legendary sites such as Merlin's Tomb and the Fairy Viviane. Lac de Trémelin is also at the gateway to the mythical Brocéliande Forest, adding to its allure.
The summer months, particularly July and August, are ideal for visiting Lac de Trémelin, as its beach is supervised and it hosts special events like 'Wednesdays of the Lake' with shows and concerts. Generally, spring and autumn offer pleasant weather for hiking and exploring the natural landscapes.
Yes, Étang Saint Eloi features a 1.5 km walking path around its perimeter, perfect for strolls and jogging. Lac de Trémelin also offers numerous trails, including a family-friendly walk. Barrage de la Cantache is surrounded by hiking trails, including a day-long circuit with panoramic views.
Visitors appreciate the diverse recreational opportunities, from active sports to tranquil nature observation. The natural beauty, especially around Lac de Trémelin with its forest and moorland, is highly valued. The family-friendly facilities and the chance to explore the legendary Brocéliande Forest are also significant draws.
Visitors should be aware that the water level at Lac de Rophemel is currently low due to dam work scheduled for 2024. The Rophemel Lakeshore Trail is a challenging black mountain bike trail, not recommended for beginners, and may require carrying bikes in places due to rough terrain.
Lac de Trémelin occasionally hosts contemporary art exhibitions and special events, such as 'Wednesdays of the Lake' with shows, concerts, and outdoor cinema during the summer. For specific event schedules, it's advisable to check local tourism resources.


Still not found your perfect lake around Saint-M'Hervon? Check out the guides of these regions to see even more beautiful places.