Isère · Auvergne-Rhône-Alpes · France · 12 acres (5 ha)
Isère, Auvergne-Rhône-Alpes 12 acres (5 ha) Reservoir No night fishing Electric motors only Bivvy permitted
About Fishing at Lac de Grand'Maison
Lac de Grand'Maison is a stunning high-altitude alpine reservoir in the Isère department of the Auvergne-Rhône-Alpes region, offering pristine trout fishing in a dramatic mountain setting. This glacial lake is a premier destination for anglers seeking wild trout in crystal-clear alpine waters with breathtaking scenery.
Department
Isère
Region
Auvergne-Rhône-Alpes
Water Type
Reservoir
Size
12 acres (5 ha)
Night Fishing
Not permitted
Boats
Electric only
Managed by
Fédération de Pêche Isère
Fishing Rules & Regulations — Lac de Grand'Maison
Night fishing at Lac de Grand'Maison is not permitted. Night fishing prohibited. Mountain/Category 1 trout water — French law prohibits night fishing between 30 min after sunset and 30 min before sunrise. Anglers must leave the bank before dark.
Boat fishing: Only electric motors are permitted — thermal engines are forbidden.
Bivouac & overnight camping is permitted at Lac de Grand'Maison under standard French fishing law — one rod, within 10m of the water, no open fires. French Cat2 public water default — bivouac permitted. Verify local rules before overnight stay.
Managed by Fédération de Pêche Isère. Always verify current rules with the AAPPMA before your session — regulations can change seasonally.
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Lac de Grand'Maison holds brown trout, rainbow trout, arctic char.
A valid Carte de Pêche is required to fish Lac de Grand'Maison — you will also need to be affiliated with Fédération de Pêche Isère. Licences are available online before your trip.
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Lac de Grand'Maison covers 12 acres (5 ha) in Isère, Auvergne-Rhône-Alpes, France. It is a public reservoir managed under the French AAPPMA system.
What fish can I catch at Lac de Grand'Maison?+
The water holds brown trout, rainbow trout, arctic char.
Is night fishing allowed at Lac de Grand'Maison?+
Night fishing at Lac de Grand'Maison is not permitted. Night fishing prohibited. Mountain/Category 1 trout water — French law prohibits night fishing between 30 min after sunset and 30 min before sunrise. Plan your trip as a day session and leave the bank before dark.
Are bivvies allowed at Lac de Grand'Maison?+
Bivvy camping is permitted at Lac de Grand'Maison under standard French bivouac law — one rod, within 10 metres of the water, no open fires. Always confirm current rules with the local AAPPMA before fishing. French Cat2 public water default — bivouac permitted. Verify local rules before overnight stay.
Are boats allowed at Lac de Grand'Maison?+
Boats are not permitted at Lac de Grand'Maison. This is a bank fishing venue — all fishing must be done from the bank.
Do I need a French fishing licence to fish Lac de Grand'Maison?+
Yes — all anglers fishing in France require a valid Carte de Pêche (French fishing licence), available from cartedepeche.fr. You must also be affiliated with the local AAPPMA (Fédération de Pêche Isère). Annual, weekly and daily licences are available online before your trip.
Planning a Trip to Lac de Grand'Maison
To fish Lac de Grand'Maison, you need a valid Carte de Pêche (French fishing licence), available online at cartedepeche.fr before you leave the UK — affiliation with Fédération de Pêche Isère is included in the purchase process. Annual, weekly and daily licences are all available online.
