Yvelines · Île-de-France · France · 41 acres (17 ha)
Yvelines, Île-de-France 41 acres (17 ha) Reservoir No night fishing Bivvy permitted 135mi from Calais
About Lac de Gassicourt
Lac de Gassicourt is a small public reservoir in the Yvelines department of Île-de-France, covering 17 hectares (41-acre) of open water. The water holds Carp, Pike, Perch, Tench and Bream, making it a draw for UK carp anglers heading to France.
Fishing at Lac de Gassicourt is restricted to daytime hours only. Regarding boats: Bank fishing only. Bivvy camping is permitted under standard French law.
Lac de Gassicourt is just 135 miles from Calais — one of the most accessible venues in northern France for UK day-trippers and weekend anglers. Île-de-France is the greater Paris region, with a surprising number of quality public fishing venues.
Department
Yvelines
Region
Île-de-France
Water Type
Reservoir
Size
41 acres (17 ha)
Night Fishing
Not permitted
Boats
Not allowed
From Calais
135 miles
Managed by
FDPPMA 78 / Fédération Pêche Yvelines
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Lac de Gassicourt holds carp, pike, perch, tench, 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 (FDPPMA 78 / Fédération Pêche Yvelines) before fishing. French fishing regulations can change seasonally.
Frequently Asked Questions
How big is Lac de Gassicourt?+
Lac de Gassicourt covers 41 acres (17 ha) in Yvelines, Île-de-France, France.
What fish can I catch at Lac de Gassicourt?+
The water holds Carp, Pike, Perch, Tench, Bream.
Is night fishing allowed at Lac de Gassicourt?+
Night fishing at Lac de Gassicourt is not permitted. Day fishing only.
Are bivvies allowed at Lac de Gassicourt?+
Bivvy camping is permitted at Lac de Gassicourt under standard French bivouac law. Always check local rules before fishing.
How far is Lac de Gassicourt from Calais?+
Lac de Gassicourt is approximately 135 miles from Calais by road.
Do I need a French fishing licence to fish Lac de Gassicourt?+
Yes — all anglers fishing in France require a valid Carte de Pêche, available from cartedepeche.fr. You will also need to be affiliated with the local AAPPMA (FDPPMA 78 / Fédération Pêche Yvelines).
Fishing in Yvelines, Île-de-France
Yvelines is home to numerous fishing venues accessible to UK anglers. PiscaMaps covers lakes, reservoirs, rivers and canals across all Île-de-France departments, with full rules, species and access information for each venue.
