The 145-acre reservoir of Lac Saint-Jean sits within the Gers department of Occitanie, offering a substantial expanse of water for visiting anglers. Lac Saint-Jean holds Carp, Catfish, Pike, Perch, Zander, Tench, Bream and Black Bass, and has built a reputation on the French carp fishing circuit.
Lac Saint-Jean operates as a day-only venue — worth noting for anglers planning longer trips. Regarding boats: Bank fishing only. Anglers are permitted to bivvy overnight in line with French public water regulations.
At 510 miles from Calais, Lac Saint-Jean requires a longer journey from the UK, but Occitanie — a region of warm summers and excellent coarse fishing, particularly for carp and catfish — rewards the trip.
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Lac Saint-Jean holds carp, catfish, pike, perch, zander, tench, bream, black bass. 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 (FDAAPPMA 32 / Fédération Pêche Gers) before fishing. French fishing regulations can change seasonally.
Gers is home to numerous fishing venues accessible to UK anglers. PiscaMaps covers lakes, reservoirs, rivers and canals across all Occitanie departments, with full rules, species and access information for each venue.
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