Which variety is permitted for Grosses Gewächs wines in the Mosel?

Grosses Gewächs wines in the Mosel are defined as top-tier wines that must adhere to strict regulations regarding grape variety and production methods. The primary grape variety allowed for Grosses Gewächs wines in this region is Riesling. This varietal is highly regarded for its ability to express the terroir of the Mosel, showcasing factors such as the unique slate soil, steep vineyards, and the region's cool climate.

Riesling is not only traditional in the Mosel but also noted for its exceptional balance of acidity and sweetness, making it capable of aging beautifully and highlighting the distinct characteristics of individual vineyard sites. Other varietals mentioned, such as Spätburgunder (Pinot Noir), Pinot Blanc, and Dornfelder, do not meet the requirements for Grosses Gewächs classification in the Mosel, as the focus of this prestigious category is squarely on Riesling.