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The Tongariro Alpine Crossing in Tongariro National Park is a tramping track in New Zealand, and is among the most popular day hikes in the country.〔DuFresne, J. (2006). ''Tramping in New Zealand''. page 84. Lonely Planet Publications Pty Ltd.〕 The Tongariro National Park is a World Heritage site which has the distinction of dual status, as it has been acknowledged for both its natural and cultural significance.〔Department of Conservation (2008). ''Tongariro Alpine Crossing Fact Sheet'' (). Department of Conservation, Ruapehu Area Office.〕 The crossing passes over the volcanic terrain of the multi-cratered active volcano Mount Tongariro, passing the eastern base of Mount Ngauruhoe which can optionally be climbed as a side trip. The full distance of the track is usually .〔〔(tvnz.co.nz: Tongariro ready to be crossed again )〕 ==Walk details== The Tongariro Alpine Crossing is most commonly walked from Mangatepopo to Ketetahi Hot Springs, due to the Mangatepopo end being higher in altitude () than the Ketetahi Hot Springs end (), therefore requiring less climbing.〔(【引用サイトリンク】title= Track description -- Tongariro Alpine Crossing )〕 The crossing takes about seven hours of steady walking to complete in good weather, taking longer in winter or if walked from the Ketetahi end.〔 The crossing is a linear journey, starting on the west side of Mount Tongariro and finishing on the north side. As a result, returning to the western end requires either retracing the entire 19.4 km crossing, or walking 26 km via State Highways 46 and 47 back to the other trailhead. The track begins at the western end near the Mangatepopo Hut with a low gradient until the foot of the steep Tongariro saddle. After the climb to the saddle, the path takes descents and ascents into and back out of two different craters, passing the Emerald Lakes and along the edge of the Blue Lake. The last two hours of the walk involve a long descent down the northern flank of the volcano, passing the Ketetahi Hot Springs. Mount Ngauruhoe can be climbed as a side trip from the main crossing. In summer the flanks of Mt Ngauruhoe are mostly exposed, loose tephra, lapilli and ash which is very difficult to walk on and requires a considerable energy expenditure compared to walking on solid material. For this reason it is less effort to climb in winter when the snow consolidates the tephra. There are no guaranteed fresh water supplies on the walk. Springs in the area are often scalding hot and tainted with minerals and dissolved metals from the volcanic activity. Most natural water in the area is not drinkable. The Ketetahi Hot Springs, about 10 minutes from the Ketetahi hut, is privately owned by the local iwi Tuwharetoa and has been placed out of bounds since the 1990s when a tourist was scalded to death. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tongariro Alpine Crossing」の詳細全文を読む スポンサード リンク
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