Old line drawing map of the Walls and city within. Water Bastion, marked number seven, at the bottom right of the walls, runs into the Foyle at high tide.

Contour map of the area around and beneath the city, showing the hill the city and walls were build on and the highest point, under Church Bastion, next to St Columb's Cathedral.

Artists rendition of the Walled City around the time of the Great Seige (1689).

Modern map show the Walled City with street names and place of interest highlighted.