Pessac-Léognan Pessac-Léognan Pessac-Léognan () is a wine growing area and Appellation d'Origine Contrôlée, in the northern part of the Graves region of Bordeaux. Unlike most Bordeaux appellations, Pessac-Léognan is equally famous for both red and (dry) white wines, although red wine is still predominant. It includes the only red-wine producer outside the Haut-Médoc classified in the Bordeaux Wine Official Classification of 1855, the "premier cru" Château Haut-Brion, and also includes all of the châteaux listed in the 1953/59 classification of Graves. These classed growths account for a third of the wine produced in Pessac-Léognan. Pessac-Léognan, France lies on the left bank
Margaret River (wine region) with only 200 millimetres of the annual 1160 millimetres falling between October and April. The low diurnal and seasonal temperature range means an unusually even accumulation of warmth. Overall the climate is similar to that of Bordeaux in a dry vintage. Although the region produces just three percent of total Australian grape production, it produces over 20 percent of Australia's premium wine market. The principal grape varieties are fairly evenly split between red and white; Cabernet Sauvignon, Chardonnay, Sauvignon blanc, Sémillon, Shiraz, Merlot, Chenin blanc and Verdelho. There are no official Margaret River subregions, although in 1999 viticultural scientist Dr