Dore (river)

The Dore is a river in central France in the Auvergne-Rhône-Alpes region, in the Puy-de-Dôme department. It is a right tributary of the Allier river and it is one of the three more important tributaries of the Allier river (with the Sioule and Alagnon rivers).
Geography.
The Dore river has a length of , and a drainage basin with an area of .
Its valley is between the "Monts du Forez", to the east, and the "Monts du Livradois", to the west.
Course.
The Dore starts in the place known as "Bois de Berny", in the "commune" of Saint-Bonnet-le-Bourg, (Puy-de-Dôme department), at an altitude of about . From here, the Dore flows first to the southeast and then to the northwest.
The Dore river flows within the Auvergne-Rhône-Alpes region, the Puy-de-Dôme department and 21 "communes". It flows through the following "communes", among others: Dore-l’Église, Marsac-en-Livradois, Ambert, Vertolaye, Olliergues, Sauviat, Courpière, Néronde-sur-Dore, Peschadoires, Dorat, Puy-Guillaume.
Finally, it flows into the Allier river in the "commune" of Ris.
Main tributaries.
The main tributaries of the Dore river are:
Left tributaries:
Right tributaries:
Hydrology.
Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is at Dorat in the Puy-de-Dôme department, for the period 1991 - 2017.