The Doux () is a tributary of the

Rhône The Rhône ( , ; wae, Rotten ; frp, Rôno ; oc, Ròse ) is a major river in France and Switzerland, rising in the Alps and flowing west and south through Lake Geneva and southeastern France before discharging into the Mediterranean Sea. At Ar ...

in the

Haute-Loire Haute-Loire (; oc, Naut Léger or ''Naut Leir''; English: Upper Loire) is a landlocked department in the Auvergne-Rhône-Alpes region of south-central France. Named after the Loire River, it is surrounded by the departments of Loire, Ardèche ...

and

Ardèche Ardèche (; oc, Ardecha; frp, Ardecha) is a department in the Auvergne-Rhône-Alpes region of Southeastern France. It is named after the river Ardèche and had a population of 328,278 as of 2019.France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

. It is long. It begins in the

Massif Central The (; oc, Massís Central, ; literally ''"Central Massif"'') is a highland region in south-central France, consisting of mountains and plateaus. It covers about 15% of mainland France. Subject to volcanism that has subsided in the last 10,00 ...

and joins the Rhône in

Tournon-sur-Rhône Tournon-sur-Rhône (; oc, Tornon) is a commune in the Ardèche department in southern France. It is one of the most populous commune in the Ardèche department, after Annonay, Aubenas, and Guilherand-Granges. Geography It is located on the ...

. It passes through the town

Lamastre Lamastre (; oc, La Mastra) is a commune in the Ardèche department in southern France. It lies on the river Doux. The Chemin de fer du Vivarais, a metre-gauge Metre-gauge railways are narrow-gauge railways with track gauge of or 1 metre ...

. The

Chemin de fer du Vivarais The Chemin de fer du Vivarais (CFV) - often called ''Le Mastrou'' or ''Train de l'Ardèche'' - is a tourist railway in the Ardèche region of the South of France. The metre gauge line is long. The railway is renowned for its historical steam lo ...

heritage railway from Tournon-sur-Rhône to Lamastre runs through the Doux valley.

References

Massif Central Rivers of France Rivers of Ardèche Rivers of Haute-Loire Rivers of Auvergne-Rhône-Alpes {{France-river-stub