Eau de Treignac: The Purest Water in France Nobody Has Heard Of

Eau de Treignac: The Purest Water in France Nobody Has Heard Of

July 12, 2026 · 9 min · Season 6 · Episode 28

About this episode

This episode explores the story of Eau de Treignac, a unique mineral water from France that is gaining recognition.

Eau de Treignac: The Purest Water in France Nobody Has Heard Of | Food Tour de France Eau de Treignac — the extraordinary natural mineral water from a source above a village of 1,389 people in the Corrèze — is one of the most remarkable and most overlooked food products in this entire series. Today's Food Tour de France episode finishes in Ussel, deep in the heart of the Corrèze plateau, and tells the full story of a water that filters for fifteen years through granitic sand soil in the Millevaches regional nature park before emerging from its source at a constant temperature of 9.5 degrees Celsius with a dry residue of just 20 milligrams per litre — among the lowest mineral content of any naturally occurring water in Europe. For context, Evian has a dry residue of 309 milligrams per litre. Volvic sits at 130. Treignac at 20 is in a different category entirely. And it is now being poured at the Plaza Athénée in Paris, the Negresco in Nice and the Chabichou in Courchevel. The episode tells the full story of how Eau de Treignac came to be bottled — from the family discussion led by Michelle Sainte-Laudy in 2002 that began the process, through the eight years of work required to…

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