The area of origin of the spumante Alta Langa comprises the hilly land of the provinces of Alessandria, Asti and Cuneo, located on the right side of the Tanaro River, with a total of 146 communes.
The hilly land where Pinot Noir and Chardonnay are grown must be of moderate fertility and rich in marl, limestone and clay.
Vineyards can only be planted on the hills, at least 250 metres a.s.l.; the humid and flat land at the bottom of valley is absolutely forbidden.
According to the Specifications each vineyard must be composed of at least 4000 vine stocks per hectare.
The vine training system is short vertical trellissing; as for pruning, the methods allowed are traditional Guyot or spurred cordon at a maximum height of 90 cm from the ground.
The maximum grape yield per hectare is 11,000 kg.
Map of the production area: