From Chavanay in the north to Guilherand in the south, the appellation's vineyards extend over some fifty kilometres on the right bank of the Rhône. It covers 23 communes in the Ardèche and 3 in the Loire. It is planted on steep slopes, shaped into terraces since ancient times. Formerly called "Vin de Mauves", it was the Jesuits who, in the 17th century, gave it its current name. The appellation is known for its fragrant Syrahs, which are more or less structured depending on the soil, and its rich, textured Roussanne and/or Marsanne whites.