Derry Walls

Derry City

A representative section was surveyed for each side of the walls. North: section between Shipquay and Magazine Gate. East: section just North of Ferryquay Gate (243587 416569) South: section West of Bishop’s Gate (243260 416462), and West: section South of Butcher’s Gate (243353 416730

Stone Information

Stone Type Category :

Schist
Primary Stone:

Locharbriggs Sandstone
Replacement Stone:

Locharbriggs Sandstone
Stonework Construction:

Rubble
Condition Assessment (QUB):

Stage 1 – A façade in this condition will only require localised remedial treatment concentrating on individual blocks. Stage 1 classification may also indicate that no intervention is needed with only periodic re-assessment of the façade is recommended.
OS Irish Grid (Easting):

243558
OS Irish Grid (Northing):

416867