Terres d'Angles, Domaine du Mioula, Marcillac, Salles-la-Source The Domaine du Mioula is the only “Domaine” in the true sense of the word throughout the Marcillac appellation. Indeed, according to the very definition of “wine estate,” Le Mioula is the unique vineyard property of the Vallon in a single piece where all the parcels surround the property and the existing cellars necessary for its production of it.