Clothing and footwear is important to survive in mountains. High quality waterproof boots, Jackets and suits will keep you warm while climbing the mountains. Keep chocolates, energy drinks and bars, biscuits, canned soups, nuts and enough water to drink. Bring medicines to help you with very common for high altitude ailments like diarrhea, dry cough and heartburn.Keep a compass, map , rope and satellite phones to communicate in danger. Bring oxygen masks and tanks as their is less oxygen availability.