Red Gap, also known as Saggart Hill or Slieve Thoul,[1] is a hill 397 metres above sea level situated 16 kilometres southwest of Dublin city centre in the Dublin Mountains close to Saggart and Rathcoole.
[2] Today, Red Gap is home to farmland and telecommunication masts.
The hill has FM radio transmitters for Newstalk, Kfm, LMFM, iRadio and East Coast FM.
The hill is also home to low-power fill in transmitters of Nova 100 and 4FM, designed to cover the Dublin commuter belt The old-time song "Campbell's farewell to Red Gap" is believed to be referring to this hill.
This geographical article about the Dublin area is a stub.