is this area used for any kind of rally?
Yes, motorcycle rally
North Island Volcanic Plateau
The Cold Kiwi Motorcycle Rally, advertised as NZ's longest running motorcycle rally, has been held on the Plateau since 1972. 
where is cobalt located on the periodic table UNANSWERABLE is it a metal? It is a chemical element with the symbol Co and atomic number 27 how is it extracted? Like nickel, cobalt is found in the Earth's crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal what role it plays as a biological agent? It is essential to the metabolism of all animals and how it affects the animal? In the early 20th century, cattle suffered from what was termed "bush sickness", it  was discovered that the volcanic soils lacked the cobalt salts essential for the cattle food chain and in general does it also affects the health of human beings? Yes, chronic cobalt ingestion has caused serious health problems at doses far less than the lethal dose. the disease that the cattle suffered from; did it happen around any particular region? Yes, North Island Volcanic Plateau of New Zealand is this area under any kind of threat? Yes, the lowland areas are quite highly populated and therefore urban development, agriculture and forestry are a major threat to natural habitats there. what cultural references it have? Tourism is an economic mainstay of the region with a wide range of largely outdoor attractions from trout fishing, flyfishing on Tongariro River or harling on Lake Taupo, tramping, Mountain biking centred on National Park, deer or pig hunting, horse riding to snowskiing/boarding on Mt Ruapehu
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North Island Volcanic Plateau [SEP] Cold Kiwi Motorcycle Rally
The Cold Kiwi Motorcycle Rally, advertised as NZ's longest running motorcycle rally, has been held on the Plateau since 1972. The event is run by The Ruapehu Motorcycle Club in early Sept each year. Bikers sleep in their own tents despite the average temperature being -8C at night, but the club provides hot food and drinks, a bonfire, as well as competitions, souvenirs, live bands and toilet facilities. The 2016 event will be held from Friday 2 September to Sunday 4 September on a new site at Horopito on the western side of Mt Ruapehu.