Footage on social media shows a large cloud of smoke rising over the hill.
Locals have been advised to avoid the area and keep windows or doors closed.
Three crews of Firefighters are fighting a wildfire in #Killiney.
If you are living in the area, close your windows and doors while we extinguish the fire. pic.twitter.com/wbBOukYcPc— Dublin Fire Brigade (@DubFireBrigade) August 15, 2020
This comes after Dublin Fire Brigade were called to Killiney Golf Course to extinguish a wildfire there yesterday.
Firefighters from Dun Laoghaire have extinguished a wild fire on Killiney Golf Course.
An early 999/112 call gives our Firefighters the best opportunity to stop the spread of a wildfire.
Call us if you see a wildfire, don’t assume someone else has called. pic.twitter.com/eIYHBi84LA— Dublin Fire Brigade (@DubFireBrigade) August 14, 2020