Fire services say the fire they are battling at the Carter Holt Harvey Smart Environmental Recycling in Paeroa is out of control.
They were called to the scene at 9.15pm.
The Fire Service say it is a massive four alarm fire and they have 15 appliances in attendance from Hamilton, Thames and Ngatea, as well as other rural stations.
It is said to be 50 x 50 multiple wooden pallets that are on fire.
No persons have been injured in the incident.
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