A walker in their 60's was taken to Sligo University Hospital for treatment after they sustained a leg yesterday on Knocknarea Mountain yesterday.
It's understood that the incident took place after lunch time yesterday.
The Sligo Leitrim Mountain Rescue Team attended the injured person at the scene.
Paramedics from National Ambulance Service were also in attendance.
The casualty was removed by stretcher to a waiting ambulance and then transported to Sligo University Hospital for further treatment.