In Sherbrooke, Trunk 7 crosses the St. Mary's River and turns north, away from the ocean. The route follows the east bank of the river's valley, passing  through Melrose and Aspen. In Lochaber, Trunk 7 crosses into Antigonish County.
In Sherbrooke, Trunk 7 crosses the St. Mary's River and turns north, leaving the ocean behind. The route follows the eastern bank of the river's valley, passing through Melrose and Aspen before entering Antigonish County in Lochaber.