Magnum bottle of Coppo Brut Riserva sparkling wine from 1995. Only later was this type of sparkling wine defined as "Alta Langa" according to the regulations. Alta Langa sparkling wines are the result of a long process of environmental and varietal research. The location of the vineyards in particularly suitable areas, the great technical expertise of the farmers, and the extensive winemaking experience of the sparkling wine producers have combined to produce important and structured wines.