The granitic island where Leeuwin vineyard is located, has weathered over millions of years and provides ancient free draining gravel soils, which are highly complementary to the culture of the vine, as well as promoting great finesse in the wine. Leeuwin's rainfall is dictated by the Roaring Forties which move north in winter and south in summer. With oceans on three sides, fluctuating water temperature by two degrees between summer and winter, the district has its own microclimate. Leeuwin's vineyards are therefore protected from extremes of temperature, frost free during the critical spring growing period. An average year in Margaret River equates to vintages Bordeaux can enjoy only occasionally.