Mareil-en-Champagne (French pronunciation: [maʁɛj ɑ̃ ʃɑ̃paɲ]) is a commune in the Sarthe department in the region of Pays de la Loire in north-western France.

The river Vègre forms part of the commune's north-eastern border, flows southwestward through the commune, then forms most of its south-western border.

This Sarthe geographical article is a stub.

You can help Wikipedia by expanding it.