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    Mosel

    Germany

    Riesling on steep slopes of Devonian slate about 400 million years old.

    30–50° N30–50° SequatorMosel
    Vineyard area
    8 287 ha (2025)1
    Country
    Germany
    Rocks in the profile
    topsoil, slate

    Slate

    Half of the Mosel's vineyard area lies on Devonian slate, a rock about 400 million years old that weathers easily. It comes in blue, grey, brown and reddish shades.2 On the Upper Mosel the soils change to Muschelkalk and marl, where Elbling and the Burgundy varieties grow.2

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

    The regional brochure says slate stores the day's heat for cool autumn nights.3 Geologist Alex Maltman notes that measured heat capacity varies little between rock types, so slate is no better at this than other rocks.4

    Steep

    According to the German Wine Institute, half of the vineyard area is on steep and terraced sites. The Bremmer Calmont is called the steepest vineyard in Europe.1

    Riesling

    In 2025 the region had 8,287 hectares of vines, and Riesling covered 5,156 of them, about 62%. About 90% of the vineyard is white varieties.1 The Romans brought viticulture to the Mosel on a large scale, and Roman-era wine presses have been found here.1

    Grapes

    Soils

    Sources

    1. Anbaugebiet Mosel. Deutsches Weininstitut (DWI), 2025. level 4 · checked 2026-10-13
    2. Wurzeln (Geologie). Moselwein e.V. (Weinland Mosel). level 4 · checked 2026-10-13
    3. Mosel wine brochure (English, 2010) — publisher not stated in document. weinland-mosel.de (Mosel regional wine promotion), 2010. level 4 · checked 2026-10-13
    4. On rocky ground: The science of soil and wine taste (Prof. Alex Maltman). Decanter, 2018. level 4 · checked 2026-10-13