Lac Merlat is a pristine alpine trout lake nestled in the high-altitude terrain of the Isère department, offering anglers the classic French mountain lake experience with cold, clear waters ideal for wild and stocked trout. This remote mountain setting in the Auvergne-Rhône-Alpes region provides excellent fly-fishing opportunities in a spectacular alpine environment.
Night fishing at Lac Merlat 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: Boat access is restricted at Lac Merlat.
Bivouac & overnight camping is permitted at Lac Merlat 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 Merlat holds brown trout, rainbow trout, arctic char.
A valid Carte de Pêche is required to fish Lac Merlat — you will also need to be affiliated with Fédération de Pêche Isère. Licences are available online before your trip.
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To fish Lac Merlat, 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.
Isère is home to numerous public fishing venues. Browse all venues in Isère or explore all of Auvergne-Rhône-Alpes.
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