For 72ki/20hours hike, if there is not much elevation gain, it is doable for an experienced hiker.
The decisive factor for a long hike is elevation, not distance.
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• 我们研究的游记中最短18小时最长28小时,我们当初期望是24小时。 -羊脂玉净瓶- ♀ (0 bytes) () 06/08/2016 postreply 17:26:18