1. Seine River:
a. Length: ~ 777 km (483 miles)
b. Flows through: Central and northwestern France
c. Cities on Route: Paris, Rouen, Le Havre, Saint-Denis
d. Tributaries: Marne, Aube, Yonne, Loing
2. Loire River:
a. Length: ~ 1,013 km (629 miles)
b. Flows through: Central and western France
c. Cities on Route: Nevers, Orleans, Tours, Angers, Nantes
d. Tributaries: Allier, Vienne, Cher
3. Rhone River:
a. Length: ~ 812 km (505 miles)
b. Flows through: Southeastern France
c. Cities on Route: Lyon, Avignon, Arles, Marseille
d. Tributaries: Saone, Durance, Ardeche
4. Garonne River:
a. Length: ~ 647 km (402 miles)
b. Flows through: Southwestern France
c. Cities on Route: Toulouse, Bordeaux
d. Tributaries: Lot, Dordogne, Tarn
5. Rhine River:
a. Length: ~ 1,238 km (775 miles)
b. Passes through parts of France including Grand Est
c. Flows through France, Germany, Switzerland, Netherlands
d. Tributaries: Neckar, Moselle, Main, Lahn