Loing

The Loing is a river in central France. It is a left tributary of the Seine. It flows through three regions of France: Bourgogne-Franche-Comté, Centre-Val de Loire and Île-de-France
Geography.
The Loing is long. Its drainage basin covers .
Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is at Épisy, Seine-et-Marne, at about from the mouth of the Loing.
Average monthly discharge (m3/s) at Épisy 
Course.
The Loing starts in "Puisaye", a natural region, in the "commune" of Sainte-Colombe-sur-Loing, in the south of the Yonne department, Bourgogne-Franche-Comté region. It starts at an altitude of about .
The Loing flows, in general, to the northwest. It goes through the following regions, departments and "communes":
At its end, the Loing flows into the Seine river in Saint-Mammès (bordering Veneux-les-Sablons), Seine-et-Marne department, at of altitude.
The Loing river gives its name to the following "communes": Sainte-Colombe-sur-Loing, Dammarie-sur-Loing, Conflans-sur-Loing, Châlette-sur-Loing, Fontenay-sur-Loing, Souppes-sur-Loing, La Madeleine-sur-Loing, Bagneaux-sur-Loing, Grez-sur-Loing, Montigny-sur-Loing et Moret-sur-Loing.
Main tributaries.
The main tributaries of the Loing are:
Left tributaries:
Right tributaries:
Paintings.
Several painters have painted the Loing river. Some of the paintings are: