From MILAN:

Highway:
follow the Via Ripamonti - Vigentina - for Opera. Follow the road up to the Tidone Belgioioso and then go on to Stradella, then to Santa Maria della Versa. Once in Santa Maria della Versa follow signs to Azienda Agricola Calatroni.

Speedway:
from A7 Mi-Ge Bereguardo exit, follow for Pavia then follow for Casteggio. From here follow for Stradella and Santa Maria della Versa. When you reach Santa Maria della Versa follow the directions for Azienda Agricola Calatroni.