Rescue services have responded to an emergency call in the Malin Head area, the second in two days.
On Wednesday afternoon a man has suffered a broken leg in a fall in the Dunalderagh area.
He was tended to at the scene by a rescue crew before being transported to hospital by the him to hospital by the Sligo based rescue helicopter.
A similar operation was carried out on Tuesday - a Dutch woman was airlifted to hospital with a broken ankle after falling on rocks.
The 49-year-old from Holland was treated for her injury at Alnagelvin Hospital.
Divisional Co-ordinator with Malin Head Coastguard, Derek Flanaghan is asking walkers out on the coast or cliffs let people know were they are going and when they are expected back: