What is the walking stick called that mountain climbers use?

Answer 1

While hiking I like to use a walking stick. A larger walking stick would be a staff. For mountaineering, climbers use an 'Ice Axe' or an 'Alpine Axe' which can be used to dig into ice and pull yourself up. Ice axes are also sometimes referred to as "alpenstocks".

Answer 2

An ice axe is used when climbing glaciers and steep snow inclines.

Answer 3

a staff it is called an ALPENSTOCK