Parc Naturel Régional des Volcans d'Auvergne
The largest regional nature park in France unfolds across a lunar landscape of extinct volcanoes, glassy crater lakes and flower-filled plateaux. Standing on the rim of Puy de Dôme on a clear morning, with the chain of puys stretching south like a spine of ancient giants, is one of the most quietly dramatic experiences in all of Europe.
The Chaîne des Puys
The UNESCO-listed Chaîne des Puys is a perfectly preserved alignment of 80 volcanoes, none older than 95,000 years in geological terms, rising above the Limagne plain west of Clermont-Ferrand. The iconic Puy de Dôme summit at 1,465 m is reached by a rack railway — the Panoramique des Dômes — or a steep 45-minute hike up the Chemin des Muletiers mule track.
From the top, on clear days, you can see Mont Blanc to the east and the Massif Central rolling endlessly southward. The Gallo-Roman Temple of Mercury ruins at the very peak add an eerie historical layer to the volcanic drama.
Lac Pavin and the Southern Massif
Drive south into the Monts Dore and you find Lac Pavin, a perfectly circular maar lake formed by a phreatomagmatic explosion roughly 7,000 years ago. Its water is an almost unreal shade of deep cobalt, ringed by beech forest, and a 3 km trail circles the rim in under an hour.
Further south still, the Puy Mary massif offers the star-shaped summit walk called the Supervolcan circuit, linking multiple peaks above 1,700 m with sweeping views over the Cantal caldera — the largest ancient volcano in Europe.
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