Rhône

The Rhône (/roʊn/ ROHN, French: [ʁon] ; Occitan: Ròse; Arpitan: Rôno) is a major river in France and Switzerland. It begins in the Alps and flows west and south through Lake Geneva and southeastern France before emptying into the Mediterranean Sea at the Gulf of Lion. Near the city of Arles, the river splits into the Great Rhône and the Little Rhône, creating the Camargue region, a important wetland area.

The river starts at the Rhône Glacier in the Swiss canton of Valais. This glacier is part of the Saint-Gotthard Massif, which is also the source of other major rivers like the Reuss, Rhine, and Ticino.

The Rhône is one of the three biggest rivers that flow into the Mediterranean Sea, along with the Po and the Nile. It carries a lot of water, making it very important for the areas it passes through.

Etymology

The name Rhône comes from the Latin word Rhodanus, which was also used in Greek as Ῥοδανός Rhodanós. In ancient Gaulish, the river might have been called Rodonos or Rotonos, from an old root meaning "to run or roll," a common theme in river names.

Different languages have their own versions of the name. In German, it is Rhone; in Walser German, Rotten; in Italian, Rodano; in Arpitan, Rôno; in Occitan, Ròse; and in Romansh, Rodan. The French refer to the river as le Rhône. While many languages treat the name as masculine, German uses the feminine form die Rhone, though an older masculine form der Rotten still exists in some dialects in the Upper Valais. The French adjective for things related to the river is rhodanien, as in le sillon rhodanien, describing the long valley formed by the Saône and Rhône rivers that runs south to the Mediterranean.

Navigation

Before railroads and highways existed, the Rhône River was a key route for trade and travel. It connected cities like Arles, Avignon, Valence, Vienne, and Lyon to Mediterranean ports such as Fos-sur-Mer, Marseille, and Sète. Today, traveling down the Rhône by motorboat takes only three days, much faster than the three weeks it took by older barges.

The Rhône is a busy waterway with locks to control its strong currents. Commercial barges can move along parts of the river day and night, guided from a central control point. Smaller ships can also use connected canals to reach other rivers and cities farther away.

Course

See also: Vallée du Rhône (France)

The Rhône River starts as meltwater from the Rhône Glacier in the Swiss Alps, specifically in Valais, at about 2,208 meters above sea level. It flows southwest through several towns and valleys, including Gletsch, Brig, and Martigny. Along its path, it collects water from many smaller rivers and glaciers, such as the Massa and the Vispa.

After passing Martigny, the Rhône turns north toward Lake Geneva, where it forms part of the border between Valais and Vaud. It flows into the lake near Le Bouveret. After leaving the lake at Geneva, the river continues west into France. It passes through Lyon, where it meets its largest tributary, the Saône. Finally, the Rhône splits into two branches near Arles: the Grand Rhône and the Petit Rhône, forming the Camargue delta before flowing into the Mediterranean Sea.

Tributaries

The main tributaries of the Rhône are, from source to mouth:

• Massa (right)
• Vispa (left)
• Navizence (left)
• Sionne (right)
• Drance (left)
• Trient (left)
• Venoge (right, Lake Geneva)
• Dranse (left, Lake Geneva)
• Aubonne (right, Lake Geneva)
• Hermance (left, Lake Geneva)
• Versoix (right, Lake Geneva)
• Arve (left)
• Allondon (right)
• Valserine (right)
• Fier (left)
• Guiers (left)
• Bourbre (left)
• Ain (right)
• Saône (right)
• Gier (right)
• Gère (left)
• Galaure (left)
• Doux (right)
• Isère (left)
• Eyrieux (right)
• Drôme (left)
• Ardèche (right)
• Cèze (right)
• Aigues (left)
• Ouvèze (left)
• Durance (left)
• Gardon (right)

History

The Rhône River has been a key trade route since ancient times, used by the Greeks and Romans. It connected the Mediterranean Sea to east-central Gaul, helping spread Greek culture to areas like Hallstatt and La Tène. Many Celtic tribes, such as the Seduni, Segobriges, Allobroges, and Helvetii, lived along its banks.

Traveling on the Rhône was challenging due to strong currents, shallow areas, and seasonal floods or droughts. Before the 1800s, people used special boats called coches d'eau, pulled by men or horses. The first steam boat was built in 1783, and regular steam services began in 1829. Later, powerful motor barges with diesel engines were introduced. In 1933, the Compagnie Nationale du Rhône was created to improve the river for navigation, generate electricity, and protect towns from floods. After World War II, many dams and locks were built to help control the river and provide power.

Along the Rhône

The Rhône River flows through many cities and towns in both Switzerland and France. In Switzerland, some of the places along the river include Oberwald, Fiesch, Brig, Visp, Leuk, Sierre, Sion, St. Maurice, and Geneva. The river also passes by Lake Geneva, which has many towns around it in both countries.

In France, the Rhône flows through or near cities such as Lyon, Vienne, Tournon-sur-Rhône, Valence, Montélimar, Viviers, Bourg-Saint-Andéol, Pont-Saint-Esprit, Roquemaure, Avignon, Beaucaire, Vallabrègues, and Arles. These towns are spread across several areas including Rhône (département), Isère, Ardèche, Drôme, Gard, Vaucluse, and Bouches-du-Rhône.