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    Chablis

    France

    A single grape on the marls of an ancient sea, in a valley where spring frost is the old enemy.

    30–50° N30–50° SequatorChablis
    Vineyard area
    4 000 ha (2008)1
    Country
    France
    Rocks in the profile
    marl, limestone

    Marls with fossil oysters

    The vineyard follows the slopes of the Serein valley, a tributary of the Yonne, where Upper Jurassic sediments come to the surface.1 The slope marl is known as the Marnes à Exogyra virgula, rich in small comma-shaped fossil oysters.1 Between 1920 and 1932 a series of court rulings, backed by a geological expertise, tied the appellation to these Kimmeridgian marls.1

    The soils are always calcareous: thin, stony and well drained on limestone, richer in clay on the marl slope.1 On the grand cru hillside the marls are mostly hidden under scree, with a hard limestone cornice above and another limestone step near the valley floor.2

    marllimestonesouthwest (southeast to west)
    Schematic profile based on the sources, not to scale.

    Slopes and crus

    All Chablis is made from Chardonnay alone.1 The seven grand cru climats, Blanchot, Bougros, Les Clos, Grenouilles, Preuses, Valmur and Vaudésir, share one hillside, facing between southeast and west.3,2

    A cool climate

    The climate is oceanic with continental touches, and the mean annual temperature is 10.8 °C.1 Winter and spring frosts are a real risk, so growers protect parcels by sprinkling and heating.1

    Timeline

    1. 510

      A monastery is founded at Chablis.1

    2. 1114

      The Cistercians found Pontigny Abbey near Chablis.1

    3. 1938

      The Chablis AOC is recognised by decree of 13 January.1

    Grapes

    Soils

    Sources

    1. Cahier des charges de l'appellation d'origine contrôlée « Chablis » (projet, procédure nationale d'opposition). INAO. level 1 · checked 2026-10-13
    2. Cahier des charges de l'appellation d'origine contrôlée « Chablis grand cru » (arrêté du 24 octobre 2024, Bulletin officiel du ministère de l'Agriculture). Ministère de l'Agriculture / INAO, 2025. level 1 · checked 2026-10-13
    3. AOP Chablis Grand Cru « Blanchot » — fiche produit. INAO. level 1 · checked 2026-10-13