What key grape variety is primarily produced in Roero Arneis DOCG?

Roero Arneis DOCG is renowned for its production of the Arneis grape variety, which is the key focus of this appellation. Arneis is a white grape indigenous to the Piedmont region of Italy, known for its aromatic qualities and bright acidity. Wines made from Arneis in this specific DOCG exhibit notes of stone fruits, floral aromas, and a crisp finish, distinguishing them from other white wines in the region.

The significance of Arneis in the Roero region lies in its ability to express the unique terroir, which encompasses diverse soils and microclimates. The designation as a DOCG highlights the quality and heritage of wines produced from this grape, ensuring that they meet stringent regulations concerning viticulture and vinification. This makes Arneis the star of the Roero Arneis DOCG, as the wine not only showcases the grape's attributes but also contributes to the identity of the region.

Other grape varieties, while important in their own right, do not play a primary role in this particular DOCG.