Quebec Route 251Route 251 is a north–south highway on the south shore of the St. Lawrence River. Its northern terminus is at Quebec [Route 108|Route 108] in Cookshire-Eaton, and its southern terminus is at Route 141, in Saint-Herménégilde.Municipalities along Route 251 Saint-Herménégilde Sainte-Edwidge-de-Clifton Martinville Cookshire-Eaton