Territoire de Belfort · Bourgogne-Franche-Comté · France · 12 acres (5 ha)
Territoire de Belfort, Bourgogne-Franche-Comté 12 acres (5 ha) Lake No night fishing Bivvy permitted 314mi from Calais
About Lac de Sewen
One of Bourgogne-Franche-Comté's natural lakes, Lac de Sewen in Territoire de Belfort covers 5 hectares and is open to coarse fishing under French public fishing regulations. Anglers can expect to encounter Brown Trout, Rainbow Trout, Perch and Pike.
Lac de Sewen 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.
Lac de Sewen is 314 miles from Calais. For UK anglers willing to make the drive into Bourgogne-Franche-Comté — a region renowned among UK carp anglers for its quality stillwater fishing — the fishing is well worth it.
Department
Territoire de Belfort
Region
Bourgogne-Franche-Comté
Water Type
Lake
Size
12 acres (5 ha)
Night Fishing
Not permitted
Boats
Not allowed
From Calais
314 miles
Managed by
Fédération Pêche TdB / Haut-Rhin – Lac de Sewen
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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 (Fédération Pêche TdB / Haut-Rhin – Lac de Sewen) before fishing. French fishing regulations can change seasonally.
Frequently Asked Questions
How big is Lac de Sewen?+
Lac de Sewen covers 12 acres (5 ha) in Territoire de Belfort, Bourgogne-Franche-Comté, France.
What fish can I catch at Lac de Sewen?+
The water holds Brown Trout, Rainbow Trout, Perch, Pike.
Is night fishing allowed at Lac de Sewen?+
Night fishing at Lac de Sewen is not permitted. 1st Cat. Natural peat bog.
Are bivvies allowed at Lac de Sewen?+
Bivvy camping is permitted at Lac de Sewen under standard French bivouac law. Always check local rules before fishing.
How far is Lac de Sewen from Calais?+
Lac de Sewen is approximately 314 miles from Calais by road.
Do I need a French fishing licence to fish Lac de Sewen?+
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 (Fédération Pêche TdB / Haut-Rhin – Lac de Sewen).
Fishing in Territoire de Belfort, Bourgogne-Franche-Comté
Territoire de Belfort is home to numerous fishing venues accessible to UK anglers. PiscaMaps covers lakes, reservoirs, rivers and canals across all Bourgogne-Franche-Comté departments, with full rules, species and access information for each venue.
