Emergency services were called around 6pm following reports the teen had fallen about five metres from a walking track.

The injured teen and his father were found on a rock ledge about 1km south of Wattamolla beach.

He was winched to safety by NSW Ambulance Service helicopter and flown to St George Hospital in a stable condition, suffering a suspected broken nose and facial lacerations.

Police are urging anyone with information in relation to this incident to call Crime Stoppers on 1800 333 000