The region is best known for its white wines, primarily the petillant (faintly sparkling) seyssel, made from the chasselas grape, which yields fine white wine in Switzerland. Crepy is also made from chasselas. It is usually petillant, as well, and said to have the scent of hawthorn. Apremont, chignin, and roussette are lively and refreshing. And chignin-bergeron, which is made from roussane, one of the important white-wine grapes of the Rhone, can be surprisingly complex.