Situated in Hainaut province, Wallonia, Le Grand Large / de Mons is a public river accessible to anglers with a valid Belgian fishing permit. The water holds Carp, Bream, Zander, Pike, Perch, Roach, Tench, Eel — carp fishing is the primary draw for visiting UK anglers.
For carp anglers, night fishing at Le Grand Large / de Mons is authorised: Night fishing PERMITTED on this specific stretch (Walloon official night fishing layer). Hours: +1h after sunset to -1h before sunrise. Walloon permit required. Federation: Fédération du sous-bassin de la Haine.. Regarding boats: Boat fishing requires Permit B (€45). Float tubes permitted where boats allowed..
Le Grand Large / de Mons is 156 miles from Calais. Wallonia — the Ardennes and Meuse valley region, famous for its carp and pike fishing — is well worth the journey for UK anglers.
Night fishing is permitted at Le Grand Large / de Mons. Night fishing PERMITTED on this specific stretch (Walloon official night fishing layer). Hours: +1h after sunset to -1h before sunrise. Walloon permit required. Federation: Fédération du sous-bassin de la Haine.
Boats: Boat access is restricted at Le Grand Large / de Mons. Boat fishing requires Permit B (€45). Float tubes permitted where boats allowed.
Permits required: Walloon Region fishing permit required. Public waterway — Permit A (bank €20) or Permit B (boat €45). No separate club permit required. Online permit: https://permisdepeche.be/fr
Fishing in Wallonia requires a Permis de Pêche (Walloon government). Available online at peche.wallonie.be. Some venues may require additional permits — check with the local fishing authority.
Local authority: Fédération du sous-bassin de la Haine
Le Grand Large / de Mons holds carp, bream, zander, pike, perch, roach, tench, eel. Carp fishing is the primary draw for visiting UK anglers.
Join to unlock full rules, access notes and venue details for Le Grand Large / de Mons and all Belgium and Netherlands venues.
All year for carp, pike, perch, bream. Species-specific closed seasons apply.
Fishing in Wallonia requires a Permis de Pêche from the Walloon government, available online at peche.wallonie.be before leaving the UK. For major reservoir venues such as Lac de Plate Taille and the Lacs de l'Eau d'Heure, an additional site permit is required — check the venue’s fishing association website before you travel. Always carry your licence while fishing.
Le Grand Large / de Mons is 156 miles from Calais, around 3 hours from the Channel Tunnel. Always verify current rules on the individual venue page before your session.
Hainaut is home to a number of public fishing venues accessible with a valid Belgian fishing permit. Use PiscaMaps to find all venues in Hainaut and across Wallonia.