Saskatchewan is bordered on the west by Quebec.
Quebec . It is bordered to the west by the province of Ontario , James Bay , and Hudson Bay ; to the north by Hudson Strait and Ungava Bay ; to the east by the Gulf of Saint Lawrence and the province of Newfoundland and Labrador ; and to the south by the province of New Brunswick and the US states of Maine , New Hampshire , Vermont , and New York . Saskatchewan . Saskatchewan is bordered on the west by Alberta , on the north by the Northwest Territories , on the east by Manitoba , to the northeast by Nunavut , and on the south by the U.S. states of Montana and North Dakota .