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Lac de Castelnau-Lassouts is a scenic 100-hectare reservoir in Aveyron offering solid carp fishing alongside pike, zander, perch and bream—a diverse mixed fishery perfect if you want variety during your trip. Night carp fishing is permitted (confirm details with AAPPMA de l'Aveyron), and boats are allowed, giving you flexibility to explore different swims across this substantial water. At 446 miles from Calais, it's a worthwhile detour for adventurous UK anglers seeking less crowded French venues—you'll need a valid French fishing licence and AAPPMA de l'Aveyron membership before fishing.
Night fishing at Lac de Castelnau-Lassouts is permitted but with restrictions. Night carp in Aveyron requires specific prefectoral authorisation on designated parcours. Check pecheaveyron.fr for the current list before fishing at night. Source: pecheaveyron.fr
Boat fishing: Boats are permitted at Lac de Castelnau-Lassouts.
Bivouac & overnight camping is permitted at Lac de Castelnau-Lassouts under standard French fishing law — one rod, within 10m of the water, no open fires.
Managed by AAPPMA de l'Aveyron. Always verify current rules with the AAPPMA before your session — regulations can change seasonally.
Lac de Castelnau-Lassouts holds carp, pike, perch, zander, bream. 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 Lac de Castelnau-Lassouts — you will also need to be affiliated with AAPPMA de l'Aveyron. Licences are available online before your trip.
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France is the closest mainland European fishing destination for UK anglers. The Channel Tunnel (Folkestone–Calais, ~35 min) is the fastest crossing, while P&O Ferries (Dover–Calais, ~90 min) offer good value for heavy kit. Most northern French venues are within 2–4 hours of Calais; southern venues require a full day of driving.
A Carte de Pêche (French fishing licence) is required for all freshwater fishing. Buy online at cartedepeche.fr before you travel. Annual, weekly and daily options are available and include your AAPPMA affiliation for the selected department.
To fish Lac de Castelnau-Lassouts, you need a valid Carte de Pêche (French fishing licence), available online at cartedepeche.fr before you leave the UK — affiliation with AAPPMA de l'Aveyron is included in the purchase process. Annual, weekly and daily licences are all available online.
Aveyron is home to numerous public fishing venues. Browse all venues in Aveyron or explore all of Occitanie.
France offers outstanding fishing year-round. The main coarse close season applies to some rivers (typically January–March for certain species), but still-water carp fishing on private and AAPPMA-managed lakes is available throughout the year. Spring (March–June) is the classic French carp season, with fish actively feeding and moving into shallow margins. Summer nights (June–August) are ideal for big-fish sessions on the large public reservoirs and rivers. Autumn (September–November) is particularly productive on the Auvergne and Languedoc lakes as temperatures drop. The Loire and Saône river systems produce excellent catfish sport from June through September, while the Dordogne and its tributaries fish well for chub, barbel and trout from spring through autumn.
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