Le Semnon is a productive French river in Ille-et-Vilaine, Brittany, known for its healthy populations of carp, pike, zander, and bream, offering diverse opportunities for both coarse and predator anglers. The river stretches through an accessible corridor where night fishing is permitted and bivouac camping is allowed, creating ideal conditions for extended fishing expeditions in this rural Breton setting. Anglers will need a valid Carte de Pêche obtained through the local AAPPMA, and can expect a traditional French river experience with boats permitted on designated sections.
Water level data from Hub'Eau / Vigicrues. Nearest hydrometric station, updated every 15 minutes. Always verify conditions on arrival.
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Le Semnon holds carp, catfish, zander, pike, bream, perch. Carp are the primary draw for visiting UK anglers — all carp must be handled carefully and returned.
A valid Carte de Pêche is required to fish Le Semnon. Licences are available online before your trip.
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To fish Le Semnon, you need a valid Carte de Pêche, available from cartedepeche.fr before you leave the UK and affiliation with the local AAPPMA covering this stretch. Annual, weekly and daily licences are all available online.
Ille-et-Vilaine is home to numerous public fishing rivers and canals. Browse all venues in Ille-et-Vilaine or explore all of Bretagne.
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