Everest Routes

The way to the top British mountaineers George Mallory and Andrew Irvine used the trickier Northeast Ridge Route in their fatal 1924 attempt to scale Everest, but that didn't stop Esther Tan from following in their footsteps. Effects of altitude on humans The team for Tan's expedition Kenneth Koh 1 (Singapore) L(New Zealand) (New Zealand) L(Azerbaijan) Esther Tan Grant Rawlinson Jim Morrow Ismail Pulmonary capacity (lungs' ability to take in onygen Metres above sea level Symptoms Hallucinations Askerov (singapore) Cerebral oedema CHINA Guides Sherpas 9,000 Quick heartbeat, even when Xigaze Jamie MCGuinness Luke Brahmaputra River 30% 8,848 Above this height classed as danger zone Smithwick (US) resting (New Zealand) - 8,000 Alaskan Everest Tingri Has Oedema (swelling due to fluid accumulation) completed more than 20 expeditions to above 8,000m guide and ski mountaineer, Lukla+ was living in Himalayas 15 - 7,000 NEPAL 100km - Frostbite on extremities Northern route Southern route Mount Everest Lhotse 8,516m No human settlements above this altitude 6,000 8,848m Total summits* 50% 5.500 Total summits* 3,341 2,210 Dehydration, blood pH alteration - 5,000 - 4,000 Northeast Ridge Deaths by route** Northern 108 75% 3,000 Headache Southern 100 and sickness Western |11 North face - 2.000 1,000 100% Ice cliffs Changtse 7,543m Khumbu Glacier CHINA NEPAL Rongbuk Glacier To Tingri, * as at September 24, 2011 Base Camp To Lukla ** as at January 3, 2011 O Camp 1 (7,000m) It's a steady climb of five e camp 2 (7,500m) O Camp 4 (8,300m) O Camp 3 (7,900m) At this height, Base camp (5,300m) O Advanced base 6 Summit (8,848m) Located on a gravel This is the start of the Not much time is camp (6,400m) Getting to this rocky camp To get here, climbers will have to scale three "steps" plain by the Rongbuk hours to the North Col high camps, and where spent resting here due supplemental oxygen is needed. Climbers sleep in tents on small or rock climbs, often steep, exposed, windy. and extremely cold. Climbers will spend eight Glacier, you either under the slopes of ("Col" is Welsh for Esther started her to the altitude. After trek 60km to here from Old Tingri in southern Tibet, or "saddle"), with one steep icy face of 60 degrees summit push. The three some food and Changtse Mountain involves hiking some 22km of rugged terrain, rock ledges since there are limited level to five hour-climb to perhaps a nap comes where climbers will use here is typically pure snow, but high winds the push for the summit at night to reach the peak in drive via smooth areas. Getting here fixed rope, crampons, and may traverse deep crevasses using ladders. to 10 hours to summit, fraught with rock and ice falls. Esther did this trek well-laid roads. can expose rock. takes about three to and another four to six to eight times to acclimatise. six hours. daylight. return to Camp 3. Sources: Project Himalaya, everestnews.com, 8000ers.com SCMP GRAPHIC East Rongbuk Glacier