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Lac du Cos is a compact 20-hectare mountain reservoir in Savoie offering bank fishing for trout, pike and perch in stunning Alpine surroundings—though it's worth noting this is primarily a trout water rather than a carp venue. Day fishing only (no night sessions) and strictly bank-based, so you'll need to plan your approach accordingly on this 440-mile trip from Calais. Check with the local AAPPMA (Amicale des Pêcheurs de l'Arc, based in La Chambre) for a day ticket before arriving, as this is a controlled water.
Night fishing at Lac du Cos is not permitted. Night carp not authorised on this lake. Savoie has only 4 designated night carp sites (Plans d'eau du Sauget, Reculfort, Lac d'Aiguebelette, Plan d'eau de Grésy-sur-Isère), all on advance reservation. All other Savoie waters: night fishing prohibited. Source: savoiepeche.com Guide 2026 Anglers must leave the bank before dark.
Boat fishing: Boat access is restricted at Lac du Cos.
Bivouac & overnight camping is not permitted at Lac du Cos. Night fishing not authorised.
Managed by AAPPMA de l'Amicale des Pêcheurs de l'Arc (La Chambre/Aiguebelle). Always verify current rules with the AAPPMA before your session — regulations can change seasonally.
Lac du Cos holds brown trout, rainbow trout, perch, pike. Pike fishing is a highlight of the venue — spinning, deadbaiting and lure fishing are all effective methods.
A valid Carte de Pêche is required to fish Lac du Cos — you will also need to be affiliated with AAPPMA de l'Amicale des Pêcheurs de l'Arc (La Chambre/Aiguebelle). Licences are available online before your trip.
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1st Category (Salmonid) water. Trout season: 14 Mar–20 Sep 2026. No night fishing permitted. Carp/coarse: all year.
Always verify current rules with the local AAPPMA (AAPPMA de l'Amicale des Pêcheurs de l'Arc (La Chambre/Aiguebelle)) before fishing. French fishing regulations can change seasonally.
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 du Cos, 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'Amicale des Pêcheurs de l'Arc (La Chambre/Aiguebelle) is included in the purchase process. Annual, weekly and daily licences are all available online.
Savoie is home to numerous public fishing venues. Browse all venues in Savoie or explore all of Auvergne-Rhône-Alpes.
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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