Highway 638 in Unorganized North Algoma District

Highway 638 in Unorganized North Algoma is a two-lane, asphalted secondary road. It runs in an east-west direction and crosses Bass Lake Road, Centre Line Road, Poplar Dale Road and Highway 670. It ends in a cul-de-sac. This road is part of the long-distance road "638". Highway 638 also exists in Plummer Additional Township and Macdonald, Meredith and Aberdeen Additional Township.