Which grape variety is commonly joined with Touriga Nacional in Dao DOC?

Touriga Nacional is a prominent grape variety in Portugal, particularly known for its role in the production of high-quality red wines. In the Dão DOC region, it is frequently blended with Alfrocheiro. This combination allows for a harmonious balance of flavors and attributes: Touriga Nacional contributes structure, floral aromas, and dark fruit notes, while Alfrocheiro adds softness, body, and a touch of spice. Together, these varieties reflect the unique terroir of the Dão region, resulting in well-rounded wines that showcase complexity and depth.

While other grape varieties like Arinto, Touriga Franca, and Castelão are important in Portuguese winemaking, they are not commonly paired with Touriga Nacional in this specific region. Arinto is primarily used for white wines, and Touriga Franca, though related and used in other regions, does not typically appear in Dão blends with Touriga Nacional. Castelão is mainly associated with the Setúbal Peninsula and is less prominent in the Dão DOC. Thus, Alfrocheiro stands out as the ideal complementary variety in this context.