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160 The Breton Riviera December 2024 Bd
France, Finistere (29), Fouesnant, the Mousterlin marshes
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18 Fouesnant Loeil De Paco 23
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Fouesnant Phillipe Meunier 2019 377
143 The Breton Riviera October 2024 Hd
Flg21alamoureux D6a6923Situated to the east of the Pointe de Mousterlin, behind the Cleut Rouz and Kerambigorn dunes, the “Marais de Mousterlin” site is an emblematic part of Fouesnant-les Glénan. Popular with locals and visitors alike, the marsh is one of the richest ecosystems on the Breton Riviera, with a variety of natural habitats. There is an impressive diversity of natural environments: reed beds, wet meadows, dunes, salt meadows, ponds, woodland, etc. The marsh is accessible all year round thanks to a number of signposted footpaths. An easy, well-maintained walk will allow you to explore the site gently, on foot or by bike.
France, Finistere (29), Fouesnant, the Mousterlin marshesThe marshes offer a unique and changing light at all times of year, perfect for nature photography. In spring, in the early hours of the morning, the fauna awakens: an ideal time to observe and listen to the songs of the birds.
Remarkable flora
The reed beds and rushes are home to species such as marsh iris, purple loosestrife and water mint. The dunes are home to oyat grass, sea panicum, dune thistle and sand immortelle.
A paradise for birds
The marsh is a favourite spot for birdwatchers, whether amateurs or experts. Its ecological richness attracts many species of birds, which can be seen from the observatories throughout the seasons.
Two discreet and accessible wooden observatories allow you to admire the wildlife without disturbing it. Grab your binoculars, be patient… and let the magic happen!
Originally, the marsh was connected to the ocean, as is the White Sea lagoon. Once an area of grazing and agricultural production, the marsh has long been shaped by man. It was in the 1950s that a land consolidation project threatened to profoundly alter the site.
At the beginning of the twentieth century, dykes and canals were built to remove the marsh from the sea in order to dry it out and increase agricultural land. This process of draining the coastal marshes is known as polderisation. Polders were created for human activities (ports, agriculture, etc.). There are several such polders on the Breton coast, including the Combrit polder in the Bigouden region and the Brest polder.
Thanks to the efforts of naturalists and local residents, the area was finally preserved and protected. Today, it is part of the Natura 2000 network, which guarantees sustainable management of its environments.
The Cleut-Rouz and Kerambigorn dunes
Between the Pointe de Mousterlin and the Pointe de Beg-Meil, the dune system forms a natural boundary between the Mousterlin marsh and the sea. The natural channels that once divided the dunes, bringing salt water to the marsh, have disappeared over time as the sand has shifted. The dunes now form a continuous line of sand.
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