Why are granitic terroirs important for the region's wines?

Granitic terroirs play an essential role in the quality of wines produced in the northern Rhône Valley. Granite is a rock that promotes excellent soil drainage, forcing the vine roots to plunge deep into the earth to find the water and nutrients necessary for their growth. This natural constraint contributes to producing concentrated grapes rich in aromas. Granitic soils also store heat during the day and release it at night, which promotes good grape maturity. This type of terroir is particularly suited to the Syrah grape variety, which expresses its full potential on these soils. Wines from these terroirs are often recognized for their finesse, structure, and aromatic complexity.