An experienced Trumper is stranded near Tarragona Forest Park, north of Wellington, and rescue efforts are hampered by severe weather.
Two search and rescue teams were dispatched to the area overnight after the man left Wellington on Sunday to complete the circuit along the Punch Ridge.
Police say they are in contact with the man via cell phone, and are taking him to McGregor’s wife’s hut for shelter.
Rescue teams are unable to reach the hut in the current weather conditions.
The Met Service has forecast heavy rains in the Tararawa range, according to which its rivers and streams could rise rapidly.
There is also a strong wind warning for Tarrawa district with winds blowing at 130 kmph.