完かん登とう

noun, noun or participle which takes 'suru'

completing a climb; completing a route; peak bagging

Used in mountaineering and climbing contexts for successfully finishing a climb, a specific route, or a series of climbs such as the Seven Summits. Often used as a noun or with する.

• 彼かれはついにエベレストの完かん登とうを果はたした。

  He finally completed the climb of Everest.

• このルートを完かん登とうするのは難むずかしい。

  Completing this route is difficult.