A 19-year-old man was airlifted from a popular beauty spot near Ashbourne at the weekend.
Crews from Warwickshire and Northamptonshire Air Ambulance attended the incident in Dovedale on Sunday.
The patient had suffered a medical collapse.
The crew landed at the scene at 4:04pm and gave the man pain relief, before airlifting him to Royal Derby Hospital for further treatment.
No further details on his condition are available.