Located in Ain, Auvergne-Rhône-Alpes, Retenue de Cize-Bolozon is a large public water of 228 hectares. Species include Carp, Catfish, Pike, Perch, Zander and Bream — with carp fishing the primary attraction for travelling anglers.
For UK carp anglers, night fishing at Retenue de Cize-Bolozon is allowed: Specific marked night zones only. Regarding boats: All motors allowed (Public domain). Overnight bivouac camping is authorised, ideal for multi-day carp sessions.
Retenue de Cize-Bolozon is 365 miles from Calais. For UK anglers willing to make the drive into Auvergne-Rhône-Alpes — one of France's most varied fishing regions, with venues ranging from Alpine lakes to lowland reservoirs — the fishing is well worth it.
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Retenue de Cize-Bolozon holds carp, catfish, pike, perch, zander, bream. Carp fishing is the primary draw for visiting UK anglers, with fish present throughout the venue.
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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 (RLHB (Retenue des Lacs du Haut Bugey)) before fishing. French fishing regulations can change seasonally.
Ain is home to numerous fishing venues accessible to UK anglers. PiscaMaps covers lakes, reservoirs, rivers and canals across all Auvergne-Rhône-Alpes departments, with full rules, species and access information for each venue.
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