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    Barolo

    Italy

    Nebbiolo on marine marls laid down 11.6 to 7.2 million years ago, and wine that waits at least 38 months.

    30–50° N30–50° SequatorBarolo
    Vineyard area
    2 258 ha (2024)1
    Country
    Italy
    Rocks in the profile
    topsoil, marl

    A seabed in the hills

    The soils of the Langhe are sedimentary and marine, from the Tertiary Piedmont basin.2 The most widespread formation in Barolo and Barbaresco is the Sant'Agata Fossili Marls, almost entirely marl with little sand. Diano Sandstones give sandier, less calcareous soils.2 The rocks span the Serravallian, Tortonian and Messinian stages, from 13.8 to 5.3 million years ago.2

    topsoilmarl
    Schematic profile based on the sources, not to scale.

    Rules

    Barolo is 100% Nebbiolo.3 Vineyards are allowed only on hillsides between 170 and 540 metres. Barolo ages at least 38 months, 18 of them in wood; Riserva at least 62 months, counted from 1 November of the harvest year.4

    It is produced entirely in the communes of Barolo, Serralunga d'Alba and Castiglione Falletto, and partly in eight others.3

    Timeline

    1. 1966

      Barolo and Barbaresco receive DOC status.5

    2. 1980

      Barolo and Barbaresco become DOCG.5

    Grapes

    Soils

    Sources

    1. Barolo and Barbaresco inaugurate the wine tourism season (press release). Consorzio Barolo Barbaresco via PR Newswire, 2024. level 4 · checked 2026-10-13
    2. Climate and geology. Consorzio di Tutela Barolo Barbaresco Alba Langhe e Dogliani. level 4 · checked 2026-10-13
    3. Barolo DOCG. Consorzio di Tutela Barolo Barbaresco Alba Langhe e Dogliani. level 4 · checked 2026-10-13
    4. Barolo DOCG — Production regulations (English translation of the disciplinare). Consorzio di Tutela Barolo Barbaresco Alba Langhe e Dogliani, 2019. level 1 · checked 2026-10-13
    5. History. Consorzio di Tutela Barolo Barbaresco Alba Langhe e Dogliani. level 4 · checked 2026-10-13