mountaineering
/ˌmaʊntɪˈnɪrɪŋ/
noun
- The sport or activity of climbing mountains, especially as a serious or professional pursuit.
- She took up mountaineering after hiking in the Alps for several summers.
- Mountaineering requires physical strength, endurance, and careful planning.
- Modern mountaineering equipment includes ropes, crampons, and ice axes.