Because it's cold...
when they are climbing the mountain
when climbing a steap part of a mountain
Mountain climbers use different types of climbing ropes depending on the types of mountain they climb with. Expedition climbing like mount Everest for example has fixed ropes that are readily available for climbers.
An ice axe is used in mountain climbing.
Climbing the mountain was hard, but we persevered and got to the top.
He had to reeve his rope before climbing up the mountain.
you can use a flat map
while i was climbing the snowy mountain i had to use an ice ax
You would want a topographical map.
I enjoy vigorous exercise like mountain climbing.
Well,Some People Use Hoe like things,But Ninjas use Grappling Hooks,or Climbing Claws.
There was determination inherent in his terse instructions to the workers. Mountain climbing has an inherent risk of injury or death.