The canton of Château-Gontier-sur-Mayenne-2 (before March 2020: canton of Château-Gontier)[1] is an administrative division of the Mayenne department, northwestern France.
It was created at the French canton reorganisation which came into effect in March 2015.
Its seat is in Château-Gontier-sur-Mayenne.
[2] It consists of the following communes:[2]
This Mayenne geographical article is a stub.