From Cannon Street station, if you exit onto Cannon Street itself, turn left and then left again into Dowgate Hill. Cannon Street Station also has an exit on Dowgate Hill.
From Mansion House Station take exit 1; Queen Victoria Street/Garlick Hill. At the exit then take the Cannon Street option and turn right on to Cannon Street. Dowgate Hill is on the right hand side before the main train station.
From Bank Station take exit 8. This leads onto Wallbrook, walk south until this road reaches Cannon Street. Dowgate Hill is the road opposite.