Dadou

The Dadou is a river in southwestern France, right tributary of the Agout river. It flows through the Tarn department, in the Occitanie region.
Geography.
The Dadou river has a length of and a drainage basin with an area of .
Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is at Montdragon in the Tarn department.
Average monthly discharge (m3/s) at Montdragon (49 years)
Course.
The source of the Dadou is on the "Monts de Lacaune", in the southern Massif Central, in the "commune" of Saint-Salvi-de-Carcavès, Tarn department, at an altitude of about .
The Agout flows, in general, to the west through the Tarn department and 26 "communes". Some of the "communes" are Montdragon, Graulhet, Briatexte, Lacaze, Rayssac, Saint-Julien-du-Puy, Vénès, Saint-Genest-de-Contest, Le Masnau-Massuguiès, Saint-Salvi-de-Carcavès, Laboutarie, Lombers, Réalmont, Saint-Lieux-Lafenasse, Saint-Antonin-de-Lacalm, Le Travet, Teillet, Arifat, Mont-Roc, Paulinet, Giroussens, Saint-Jean-de-Rives, Ambres, Saint-Gauzens, Puybegon, Montredon-Labessonnié.
Finally, it flows, as a right tributary into the Agout river at Ambres, near Saint-Jean-de-Rives, in the Tarn department, at of altitude.
Main tributaries.
The main tributaries of the Dadou are:
Left tributaries:
Right tributaries: