Mt Ngauruhoe and the Upper Tama Lake. (blue polaris) Tags: park new travel newzealand mountain lake landscape island volcano spring scenery track hiking walk plateau district great north central lakes conservation olympus lord hike upper lotr rings zealand national nz round tama tongarironationalpark northisland lower tongariro northern doc volcanic circuit thermal ngauruhoe tramping department ruapehu whakapapa tramp omd mordor em5 waihohonu centralvolcanicplateau