The wine producing 'Terroir' is the concept referring to the space on which the collective knowledge of the interaction between the physical and the biological environment and the wine producing practices develop,
This gives the product made here its distinctive characteristics.
The 'Terroir' includes the characteristics of the ground, the topography, the climate, the landscape and the biodiversity.
The wine producing "terroir" at Haut-Lagrange is the Graves of Pessac-Léognan and unique to Haut-Lagrange the vines rest on a bed of clay, sand, alios, limestone and faluns. They bore witness to the former course of the Garonne River during the tertiary era and then during the glacial era.