The cold is so severe that the climber's skin,feet ,toes,fingers and tissues freeze , become numb and they may suffer frostbite. The most serious difficulty is the climber at a high altitude gets exhausted with a little effort... Mountain climbing requires proper training,skill and knowledge.the climbers must be well _equipped ....they must be in good physical condition and should posses courage, perseverance and power of endurance...They should carry with them maps ,compasses and other equipment so they are able to find out where they approach a mountain and then climb steep rocks.near the summit of a high peak .the climbers have to move over snow fields and glaciers.In dangerous areas. They use ropes to the themselves in groups....