A person was flown to hospital after a motor vehicle accident on Spooners Hill Road near Taihape.
Emergency services were called to an accident just after 11.30am on Saturday.
A Police spokesman said two motorcycles were involved, and the Serious Crash Unit had been notified.
One ambulance and one helicopter were called to the scene, a St John spokeswoman said.
"One person in a critical condition was transported to Wellington hospital via helicopter.