Chedabucto Bay /ˌʃɛdəˈbʌktoʊ/ is a large bay on the eastern coast of mainland Nova Scotia between the Atlantic Ocean and the Strait of Canso next to Guysborough County. At the entrance to Chedabucto Bay is the community of Canso at the head is the community of Guysborough and on the other end is the town of Mulgrave.