Mono is a town situated in south-central Ontario, Canada, at the south-east corner of Dufferin County. It stretches from Highway 9 along its southern border to Highway 89 along its northern border. Its border to the west is with the Township of Amaranth and in the east, it is bordered by the Township of Adjala-Tosorontio. It was previously known as the Township of Mono. Mono is a rural community in both geography and character.