Mérantaise

The Mérantaise is a small river in southern Île-de-France (France), left tributary of the Yvette, which is a tributary of the Orge. It is 14.3 km (8.9 mi) long.^[1] Its source is in Voisins-le-Bretonneux, near Versailles, in the Yvelines department.

Mérantaise
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Location
Country	France
Physical characteristics
Source
• coordinates	48°45′38″N 2°0′44″E
Mouth
• location	Yvette
• coordinates	48°41′55″N 2°7′57″E
Length	14.3 km (8.9 mi)
Basin features
Progression	Yvette→ Orge→ Seine→ English Channel

Geography

The Yvette crosses the following départements and towns:

• Yvelines department : Voisins-le-Bretonneux, Magny-les-Hameaux,
• Essonne department : Saint-Aubin, Villiers-le-Bâcle, Gif-sur-Yvette