A 58-year-old woman is being treated for a possible broken leg on Waiheke Island.
Emergency services were notified about 5.20pm that the woman had taken a fall at Enclosure Bay, a St John Ambulance spokesman said.
"There was a 58-year-old woman who had taken a fall and subsequent to the fall she had a probable fracture of her leg and is being transported by heli," he said.
Westpac Rescue Helicopter staff were still on scene treating the woman and preparing to transport her to hospital.