Of course, If people have a semireasonable place only 1 - 2 hr from the road they might not be in a hurry to post it on the internet. Best to look for a place thats a nice interesting walk and within your fitness capabilities and weather on the day.
Check the DoC site for poison map and phone the Ohakune visitor centre to see just whether it has actuallly been dropped yet. They were planning to do a big area on east Ruapehu.
Also check DoC maps site and WAMS for boundaries as some obvious spots are private land or army.
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