Chêne Bleu, a World-Class Estate in the Making in Vaucluse

Chêne Bleu -- "blue oak" -- occupies 340 acres in a unique microclimate at elevations from 1,600 to 1,800 feet in a saddle of the Dentelles de Montmirail where four southern Rhône appellations -- Gigondas, Côtes du Ventoux, Côtes du Rhône and Séguret -- merge. Eighty-seven

acres of the estate, called La Verrière for more than six centuries, are cultivate…