The Rouillon is a small

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

in southern

Île-de-France The Île-de-France (; ; ) is the most populous of the eighteen regions of France, with an official estimated population of 12,271,794 residents on 1 January 2023. Centered on the capital Paris, it is located in the north-central part of the cou ...

(

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

), left tributary of the

Yvette Yvette (, ) is a feminine given name, the French feminine form of Yves (given name), Yves, which means Taxus, yew or archery, archer in some cases. Variations * Catalan language, Catalan: Ivet * Czech language, Czech: Yveta * Dutch language, ...

, which is a tributary of the

Orge The Orge () is a long river in France, left tributary of the Seine. Its source is in the village Saint-Martin-de-Bréthencourt. Its course crosses the '' départements'' of Yvelines and Essonne. It flows northwest through the towns of Dourdan, ...

. Its source is in

Villejust Villejust () is a commune in the Essonne department in Île-de-France in northern France. Population Inhabitants of Villejust are known as ''Villejustiens'' in French. See also *Communes of the Essonne department The following is a list o ...

, north of

Longjumeau Longjumeau () is a Communes of France, commune in the Essonne department, France. It is located south from the Kilometre Zero, center of Paris. Inhabitants of Longjumeau are known as ''Longjumellois'' () in French. History Longjumeau Party Sch ...

, in the

Essonne Essonne () is a department in the southern part of the Île-de-France region in Northern France. It is named after the river Essonne. In 2019, it had a population of 1,301,659, across 194 communes.Essonne Essonne () is a department in the southern part of the Île-de-France region in Northern France. It is named after the river Essonne. In 2019, it had a population of 1,301,659, across 194 communes.Villejust Villejust () is a commune in the Essonne department in Île-de-France in northern France. Population Inhabitants of Villejust are known as ''Villejustiens'' in French. See also *Communes of the Essonne department The following is a list o ...

Saulx-les-Chartreux Saulx-les-Chartreux () is a commune in the Essonne department in the southern suburbs of Paris, France. It is located 20 kilometres from the center of Paris. History The name of the city come from a tree: ''Saule'' (willow tree in French). Mo ...

, Ballainvilliers,

Tributaries

* le ruisseau blanc

Special places

A bridge, call le pont des Templiers ''(templars bridge)'', considering as the older bridge in

Essonne Essonne () is a department in the southern part of the Île-de-France region in Northern France. It is named after the river Essonne. In 2019, it had a population of 1,301,659, across 194 communes.Longjumeau Longjumeau () is a Communes of France, commune in the Essonne department, France. It is located south from the Kilometre Zero, center of Paris. Inhabitants of Longjumeau are known as ''Longjumellois'' () in French. History Longjumeau Party Sch ...

. It was built in the 13th century. image:Pont des Templiers 2.JPG image:Pont Templiers.JPG

References

Rivers of France Rivers of Essonne Rivers of Île-de-France {{France-river-stub