Took a truly Fantastic guided day walk up to the summit/crater lake of Mt Ruapehu - http://www.mtruapehu.com/ I would highly recommend going with a guided group, as the route isn't marked and it could take a lot longer and be dangerous otherwise. Starts off with a 20 minute chairlift ride then walking on rocks and in snow. Took 2.5 hours to get to the top and 1.25 hours to come down as the guides pick out safe places to "slide" down in the snow, like on a waterslide. Make sure you take sunglasses, sunblock, warm hat, gloves, waterproof coat and overtrousers, and wear proper tramping boots. Anyone reasonably fit can do this amazing experience, we had 8 and 9 year old kids in our group.
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