A person has died on the Tongariro Alpine Crossing this afternoon.
A St John spokeswoman said crews were called to Tongariro National Park at 12.07pm.
A helicopter was sent to the scene.
Senior constable Barry Shepherd of the Taupo police said the person was a 75-year-old hiker from Germany walking the crossing with his son.
Shepherd said the death had been referred to the coroner.