Walk to the castle, pass through the gate house turn right, follow the path and go right after the mote, down to the river, turn left and follow the river to the Watergate.
Walk to the swimming pool entrance and to the left is a small foot bridge, cross that, turn right and follow the path, past the castle to the Watergate.
Walk out of the car entrance, in front of the retirement flats, cross on to river walk and follow to high street, turn left across big bridge and left again at the Watergate.