The Vaularon is a small river in southern Île-de-France (France), left tributary of the Yvette, in Bures-sur-Yvette, which is a tributary of the Orge and then the Seine.

Its source is in Gometz-le-Chatel, in the Essonne department.

It is 3.8 km (2.4 mi) long.

This Essonne geographical article is a stub.

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