Its affluents are, on the right, the Aube; the Marne, which joins the Seine at Charenton near Paris; the Oise, which has its source in Belgium and is enlarged by the Aisne; and the Epte; on the left the Yonne, the Loing, the Essonne, the Eure and the RUle.
Burgundy (uniting the Yonne and Saflne) -.
Nivernais (uniting Loire and Yonne).
It comprises the departments of the Yonne on the north-west, the Cote d'Or in the centre, and the Saone-et-Loire on the south.
In the Yonne are made chiefly the white wines known to us as Chablis; in the Saone-et-Loire are made the red and white wines of Macon, and there is also, stretching into the department of the Rhone, the district producing the Beaujolais wines.