The canton of Montval-sur-Loir (before 2021: Château-du-Loir) [1] is an administrative division of the Sarthe department, northwestern France. Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Montval-sur-Loir. [2]
It consists of the following communes: [2]
47°41′N 0°25′E / 47.69°N 0.42°E