Cossé-en-Champagne () is a commune in the Mayenne department in north-western France.Commune de Cossé-en-Champagne (53076), INSEE

Sights Its church, called Notre-Dame, is known for its Romanesque frescoes, some dating from the 15th century, and is listed as a historic monument in France.

See also Communes of the Mayenne department

References