Clarkson is located in the southwestern section of Mississauga. The shoreline of Lake Ontario forms the southern boundary of this neighbourhood. This is where the Rattray Marsh is situated. Rattray a popular nature reserve is a well known birding site. A boardwalk trail twists and winds through this preserve. Commuters enjoy convenient access to public transit including the Clarkson Go Station and MiWay bus service on Lakeshore Road West. These transportation options have made Clarkson a favourite spot for commuters working in Toronto to the east and Hamilton to the west. The QEW highway that forms Clarkson's north boundary provides motorists with numerous commuting options.