Rioja Alta is a sub-region of the Rioja wine region in northern Spain. Known for its rolling hills and diverse climate, it produces high-quality red wines primarily from the Tempranillo grape. The area benefits from a mix of Atlantic and Mediterranean influences, which contribute to the unique flavor profiles of its wines. The region is characterized by its picturesque vineyards and historic towns, such as Haro and Briones. Rioja Alta is also home to several renowned wineries, many of which employ traditional aging methods in American oak barrels, enhancing the complexity and richness of their wines.