One of the two tunnels which cut through Drung Hill. This a great feat of engineering in its day. One tunnel was 90 yards long, while the second was longer at around 100 yards

One of the two tunnels which cut through Drung Hill. This a great feat of engineering in its day. One tunnel was 90 yards long, while the second was longer at around 100 yards. Source: The National Library of Ireland. Ref: R069