Selected from the lowest-yielding vines in the best vineyards of the Valtellina Superiore DOCG zone, including: Berbenno, Sondrio and Montagna in Valtellina. Vineyards are south-facingat elevations between 350 - 500 m.asl. Soil is predominantly sandy (80%), with some lime (20%). Vines are guyot-trained.