Parc Naturel Régional de Brière
Saint-Malo-de-Guersac sits right at the heart of the Parc Naturel Régional de Brière, a 49,000-hectare mosaic of peat bogs, reed beds and navigable canals that is the second-largest marsh in France. It is a living landscape shaped by centuries of peat-cutting and fishing, and it rewards slow, curious exploration.
Wildlife & waterways
Over 250 bird species have been recorded here, including marsh harriers, bitterns and kingfishers; spring and autumn migrations turn the skies electric with movement.
The canals are navigable by traditional flat-bottomed chaland, and gliding silently through the reeds at water level gives you an intimacy with the ecosystem that no road can match.
Trails and seasons
A network of signed cycling and walking trails fans out from Saint-Malo-de-Guersac, including the GR39 long-distance path that traces the marsh edge through thatched-cottage hamlets.
Spring (April–May) brings wildflower blooms and nesting birds; autumn turns the reed beds amber and ochre, making it arguably the most photogenic season of all.
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