Rouillon (Yvette)

Rouillon
Rouillon river near Longjumeau
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Location
Country	France
Physical characteristics
Source
• coordinates	48°40′47″N 2°12′42″E / 48.67972°N 2.21167°E / 48.67972; 2.21167
Mouth
• location	Yvette
• coordinates	48°41′6″N 2°19′11″E / 48.68500°N 2.31972°E / 48.68500; 2.31972
Length	9.5 km (5.9 mi)
Basin features
Progression	Yvette→ Orge→ Seine→ English Channel

The Rouillon is a small river in southern Île-de-France (France), left tributary of the Yvette, which is a tributary of the Orge. Its source is in Villejust, north of Longjumeau, in the Essonne department. It is 9.5 km (5.9 mi) long.^[1]

The Rouillon crosses the following départements and towns:

• Essonne: Villejust, Saulx-les-Chartreux, Ballainvilliers, Longjumeau.