Le Grand Marais is a compact 10.65-hectare reservoir in Somme offering solid carp and tench fishing from the bank, just 74 miles from Calais — ideal for a quick cross-Channel trip. Night fishing is permitted in designated zones, giving you flexibility for a longer session, though expect modest-sized fish rather than specimen weights. You'll need a French fishing licence and AAPPMA permit from the locale de la Somme to fish here.
Night fishing at le Grand Marais is permitted but with restrictions. Night carp in Somme requires specific prefectoral authorisation on designated parcours. Check federationpeche80.fr for the current list before fishing at night. Source: federationpeche80.fr
Boat fishing: Boat rules at le Grand Marais are unconfirmed — verify with the local AAPPMA. Wetland — likely limited navigation.
Managed by AAPPMA locale de la Somme. Always verify current rules with the AAPPMA before your session — regulations can change seasonally.
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le Grand Marais holds carp, pike, perch, tench. Carp are the primary draw for visiting UK anglers. All carp should be handled with care and returned promptly. A landing mat and unhooking mat are essential kit for any carp session.
A valid Carte de Pêche is required to fish le Grand Marais — you will also need to be affiliated with AAPPMA locale de la Somme. Licences are available online before your trip.
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2nd Category water. Carp/coarse: open all year. Pike: 25 Apr 2026–31 Jan 2027 (closed Feb–Apr). Zander/Perch/Catfish: all year. Pike season as above.
Always verify current rules with the local AAPPMA (AAPPMA locale de la Somme) before fishing. French fishing regulations can change seasonally.
To fish le Grand Marais, you need a valid Carte de Pêche (French fishing licence), available online at cartedepeche.fr before you leave the UK — affiliation with AAPPMA locale de la Somme is included in the purchase process. Annual, weekly and daily licences are all available online. le Grand Marais is 74 miles from Calais — reachable on the day of crossing.
Somme is home to numerous public fishing venues. Browse all venues in Somme or explore all of Hauts-de-France.
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