Costa Catterina sits in Piemonte, northern Italy's most prestigious wine region. The winery works with the classic grapes of the area: Arneis, Barbera, and Nebbiolo. Its Roero Arneis Spumante Brut and Barbera d'Alba Superiore both demonstrate the region's capacity for structured, age-worthy wines. The Nebbiolo, a varietal synonymous with Piemonte's finest expressions, rounds out the portfolio. Wine Enthusiast has rated these releases. The winery's focus on traditional Piemontese varieties reflects the region's commitment to terroir-driven production, where cool alpine nights and specific soil compositions shape wines of clarity and depth.