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Journal

With the seasons

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Le journal

Understanding our craft

Life at the House

Carole Doyard, Dame Dignitaire of the Ordre des Coteaux de Champagne

Inducted in January 2026 into the brotherhood that defends Champagne wine.

Terroir

Vertus, Premier Cru of the Côte des Blancs

Chalk, chardonnay, and what “Premier Cru” actually means on a label.

Appellation

Grower Champagne: reading “RM” on a label

A producer who works only the grapes from his own vines.

Œnotourisme

What makes this cellar in Vertus different

A cellar ringed by springs: a steady 10-12 °C year-round and a singular ageing.

Immersion · Science

Why age at 60 metres depth?

Isobaric pressure, aphotic darkness and marine temperature: the science of underwater ageing.

Tasting

Comparative Tasting Land vs Sea

Reflet de Craie vs Corail de Mer: what Chardonnay reveals after a year underwater.

Terroir & Geology

From Cretaceous fossils to Ushant depths

When Vertus belemnite chalk returns to the ocean where it was born 100 million years ago.

Behind the Scenes

Expedition Logbook: off the coast of Ushant

Lowering cages to 60 metres, commercial divers at work and bottles sculpted by sea barnacles.

Formats & Cellaring

Why the Magnum is the King of Ageing

Oxygen ratio halved, thermal inertia and silky effervescence: the science of large formats.

FRENESDEITJA
Pictogramme : zéro alcool pendant la grossesse Drinking alcohol during pregnancy, even in small amounts, can seriously harm the health of the child. Alcohol abuse is dangerous for your health. Please drink responsibly.