Cullen's splendid Margaret River vineyards are cultivated to represent the purest environment in the world, renowned for white wines of character and charm. Climes are similar to that of Bordeaux and the vines positively flourish. The superlative harvests of Semillon grown to Mangan Vineyard are characterised by their fine linear structure and rich minerality. Land management and vinification techniques for this unique property differ slightly from those employed for white grapes on other sites, each are tailored to allow the influence of terroir to be fully expressed.