Highway 23 begins at Highway 7, east of Elginfield, a community straddling the boundary between the municipalities of Middlesex Centre and Lucan Biddulph. The route travels north through the latter, surrounded on both sides by farmland.
Highway 23 starts at Highway 7, situated near Elginfield, a village shared by the municipalities of Middlesex Centre and Lucan Biddulph. The route passes through the latter, surrounded by agricultural areas on both sides.