The River to the Seine is a network of four rivers in France, namely the Marne (5 letters), Aube (4 letters), Oise (4 letters) and Eure (4 letters). These rivers all flow into the Seine, which is the second longest river in France. The Marne is the longest of the four rivers, originating in the Champagne region and flowing through Paris before joining the Seine. The Aube is the second longest, originating in the Haute-Marne department and flowing through Troyes before joining the Seine. The Oise is the third longest, originating in the Picardy region and flowing through Compiègne before joining the Seine. Finally, the Eure is the shortest of the four rivers, originating in the Eure-et-Loir department and flowing through Vernon before joining the Seine.