Rilly-la-Montagne (French pronunciation: [ʁiji la mɔ̃taɲ]) is one of the Communes of the Marne department in north-eastern France.

The railway tunnel in the area was used as a World War II V-1 flying bomb storage depot.

Rilly-la-Montagne station has rail connections to Reims and Épernay.

This Marne geographical article is a stub.

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