Colli Tortonesi

Styles

Principal grape varieties

Terroir

• Geologically sedimentary territory: hilly reliefs of the Bacino Terziario Piemontese, with predominantly SW–NE aspect.
• Slope gradients ranging between 15° and 30°, with SW–NE orientation.
• Argille-marnose soils transfer mineral salts to the grapes, including lithium, which is the source of the pronounced sapidity characteristic of the wines.
• Sapidity is a defining trait shared across all wines of the DOC, directly attributable to the composition of the soils.
• The DOC encompasses 30 communes in the south-eastern sector of Piemonte, in the province of Alessandria.

• The argille-marnose soils of the Bacino Terziario Piemontese impart a pronounced sapidity to the wines, transferring mineral salts to the grapes, including lithium.

• Argille-marnose soils transmit mineral salts, including lithium, conferring a pronounced sapidity on the wines as a defining hallmark of the DOC.

Facts drawn from the cahier's terroir-link section (Lien au terroir) by automatic interpretation — see the source.

Sources

• eAmbrosia register (EU) — File number PDO-IT-A1097
• Official trade body site — Consorzio Tutela Vini Colli Tortonesi