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Mercantour summer: marmots, ibex and wolf country

Alpine marmots at Madone de Fenestre, Mercantour
Alpine marmot. Photo: Johannes Werner, CC BY-SA 4.0

Alpine marmot, Alpine ibex, chamois, grey wolf (Canis lupus). Mercantour, Alpes-Maritimes, France.

Best time: 20 Jun – 31 Aug (June to August). Where: Vallée des Merveilles (Refuge des Merveilles), Le Boréon, Saint-Martin-Vésubie, Col de la Cayolle / Haut-Verdon (France). Time of day: Marmots whistle from about an hour after sunrise until the heat and hikers arrive (10:00), and again from 16:00 to sunset.

Open it in the interactive calendarSunrise and sunset listening times for the day you pick, and the map.

When is the best time?

Peak: 20 Jun – 31 Aug. Late June to August

Active from 1 Jun to 30 Sep (June to September) in a typical year.

Time of day

Marmots whistle from about an hour after sunrise until the heat and hikers arrive (10:00), and again from 16:00 to sunset; any wolf howling is in the first hours of dark.

What will you hear?

Marmot alarm whistles across high cirques, ibex hooves on rock, alpine choughs and lammergeier wingbeats; wolf howls are possible but rare and never guaranteed.

Binoculars?

Binoculars helpful. Marmots whistle from close by; binoculars for ibex on the crags and lammergeiers overhead.

Where to go

How to go on your own, and what it costs

Le Boréon and the Col de la Cayolle are free: park at the Boréon lake or the pass and walk the marked trails from first light. Vallée des Merveilles: the trail to the Refuge des Merveilles is free, but the engravings sector beyond is guided-only in season — stay on the marked route or book a guide at the refuge. Core-zone rules apply everywhere.

Cost: Free; refuge nights and guided Merveilles visits paid (check current prices).

Field-recording notes

Wild wolf howling in France has no visitor programme — any howl you record is luck, and howl playback is prohibited in the park. Marmots and ibex are habituated near refuges; go early before hikers. Core-zone rules: no drones, no dogs, bivouac only 19h–9h near trails.

Sources

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More: all spectacles in France · wolves · ibex · marmots · mountain wildlife · France in June · France in July · France in August