The man in his fifties suffered severe head and suspected chest injuries in the incident which occurred just after midnight.
Eleven members of Coniston Mountain Rescue Team worked with Cumbria Fire and Rescue Service and paramedics to treat the man at the scene. He has been transferred to Furness General Hospital.
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Kerrie brings you Saturday's pollen forecast
Kerrie brings you Saturday's forecast
Showers Saturday afternoon & evening could bring torrential downpours, hail & lightning. Risk of localised flooding and longer journey times