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SM-012 Mountaineering · Siula Grande 1985

Touching the Void — A cut rope, a crevasse, and a man who crawled out alive

Lost
0 dead; 1 critically injured
Peak
Siula Grande, 6,344 m
Ended
June 1985, West Face descent
Status
Survived

Summary

In 1985, on the descent from the first ascent of the West Face of Siula Grande in the Peruvian Andes, the British climber Joe Simpson shattered his right leg, and his partner Simon Yates — lowering him blind down the mountain in a storm and being dragged toward his own death — cut the rope, dropping Simpson into a crevasse. Both men survived. That is the rare and central fact of this case: a decision that should by every reasonable expectation have killed one climber instead left both alive, after Simpson, presumed dead, hauled and crawled himself across a glacier and down a moraine for roughly three days to reach base camp.

Simpson and Yates, both young and accomplished alpinists, climbed Siula Grande — a 6,344-metre peak in the Cordillera Huayhuash — by its previously unclimbed West Face in alpine style, carrying everything with them and leaving no fixed ropes or stocked camps behind. A third man, Richard Hawking, a non-climber, waited at their base camp. The ascent succeeded; the descent, down an unfamiliar and dangerous ridge in worsening weather, did not.

When Simpson fell and drove his lower leg into his knee, the two improvised a system of lowering him in 90-metre stages on their roped-together lengths. In darkness and storm, Yates lowered Simpson over an unseen ice cliff, leaving him hanging free in space, unable to climb the rope or descend it, and out of all communication. After holding the dead weight for more than an hour as his own snow anchor failed, Yates faced being pulled off the mountain to certain death, and cut the rope. Simpson dropped into a crevasse, survived on a ledge, and — rather than wait to die — lowered himself deeper, found a way out, and began the crawl that defines the story.

Timeline

May 1985
The objective
Joe Simpson and Simon Yates establish base camp below Siula Grande in the Cordillera Huayhuash, Peru, with Richard Hawking minding the camp; their target is the unclimbed West Face.
Early June 1985
The ascent
Climbing alpine-style without fixed ropes or oxygen, the pair force the West Face over several days and reach the 6,344 m summit — the route's first ascent.
The descent begins
Off the top
Running low on fuel and food, they start down an unfamiliar north ridge into deteriorating weather, far from the safety of their ascent line.
The fall
A shattered leg
Simpson falls down an ice cliff and drives his lower leg into his knee joint, breaking his right leg — a crippling injury high on a remote mountain.
The lowering
A desperate system
Yates lowers Simpson in stages down the slope on their two ropes tied together, roughly 90 m at a time, working blind in storm and darkness.
The cliff
Hanging in space
Yates lowers Simpson over an unseen ice cliff; Simpson hangs free, unable to climb back up or signal, while Yates's seat in the snow slowly fails.
The cut
The rope severed
After holding the weight for over an hour and being dragged toward the edge, Yates cuts the rope; Simpson falls more than 30 m into a crevasse.
Inside the crevasse
Not dead yet
Simpson lands on an internal ledge, alive; finding no way up, he lowers himself deeper into the crevasse and discovers an exit onto the glacier.
Three days
The crawl
Without food and almost without water, with a broken leg, frostbite and dehydration, Simpson crawls and hops roughly 8 km back toward base camp over several days.
Arrival
Hours to spare
Simpson reaches base camp by night, close to death, only a short time before Yates and Hawking had planned to leave the mountain.
1988
The account
Simpson publishes Touching the Void; a 2003 documentary by Kevin Macdonald later brings the ordeal to a wide audience and revives debate over the cut rope.

Two climbers and a clean, dangerous style

Joe Simpson and Simon Yates were products of a hard, self-reliant strand of British alpinism: young, technically strong, and committed to climbing big mountains in lightweight alpine style. On Siula Grande in 1985 they attempted the West Face, a wall no one had climbed, with no siege of fixed ropes and stocked camps to fall back on — everything they needed went up with them, and any retreat had to be improvised from what they carried. That style is fast and pure, and it is also unforgiving: it removes the very margins — pre-placed ropes, supported camps, a partner in reserve — that turn a high-mountain accident into a survivable inconvenience rather than a death sentence. The third member of the party, Richard Hawking, was not a climber and remained at base camp; there was no support team on the mountain itself.

The ascent worked. The pair climbed the face over several days and reached the 6,344-metre summit, claiming the first ascent of the route. But by then they were low on gas to melt snow, short on food, and committed to descending unfamiliar ground. They chose to go down a long north ridge rather than reverse the face, into weather that was turning against them. The decisions that nearly killed them were not made on the way up but on the way down, when fatigue, dehydration and a closing storm narrowed every choice — the classic geometry of mountaineering disaster, in which the summit is only the halfway point and most of the danger lies in getting back.

The fall, the lowering, and the cut

Descending in worsening conditions, Simpson fell down an ice cliff and landed badly, driving his right tibia up into his knee joint. The leg was broken and useless; at that altitude, in that weather, with no rescue within reach, it was the kind of injury that routinely ends in death. The two men improvised a way down: Yates would lower Simpson the full length of their two ropes joined together — about 90 metres at a time — then climb down to him and repeat, dragging an immobilised partner off the mountain by main force in storm and darkness. For hours the desperate system held.

Then it failed. In near-zero visibility, Yates lowered Simpson over the lip of an ice cliff he could not see, leaving Simpson dangling in free space over a drop, unable to climb the rope with his ruined leg and unable to make himself heard above the wind. Yates, anchored only in soft snow, felt his seat collapsing and himself being dragged toward the edge; he had no way to know what was below his partner or whether Simpson was alive or dead. After more than an hour of holding the dead weight as his own position failed, facing being pulled off to certain death, Yates cut the rope. Simpson fell more than thirty metres into a crevasse. By any ordinary reckoning the decision saved one life and ended the other — and it has been argued over ever since, by climbers who regard it as a justified, terrible necessity and by those who do not. Simpson himself has consistently said he would have done the same and bears Yates no blame.

The man who would not wait to die

Simpson did not die. He struck an internal ledge inside the crevasse and survived the fall. When daylight came he found no way to climb up and out; rather than wait on the ledge for cold and thirst to finish him, he made the decision that turned a death into a survival — he lowered himself on his remaining rope deeper into the crevasse, into the dark, gambling that the floor would offer an exit. It did: he found a snow slope leading up to a hole in the glacier surface and dragged himself out into the open. He was alone, perhaps eight kilometres from base camp, with a shattered leg, frostbite, and almost no food or water.

What followed was a slow, methodical refusal to die. Over roughly three days Simpson crawled, hopped and dragged himself across the glacier and down the broken moraine below it, splitting the distance into tiny, achievable goals and forcing his ruined body to meet each one in turn. By the time he reached the edge of base camp at night he was delirious and close to death — and arriving only a short time before Yates and Hawking, who had grieved him as dead, intended to break camp and leave. The two men who had given him up carried him out. Yates had cut the rope believing Simpson dead; he had also, by getting Simpson as far down the mountain as he did before the cut, made the eventual survival possible. The case resists a simple verdict, which is precisely why it endures.

The Five Factors

01
The unsupported descent
Climbing alpine-style with no fixed ropes, stocked camps or rescue team meant that when Simpson broke his leg there were no pre-built margins to fall back on. The clean, lightweight style that made the ascent possible also removed every cushion that might have made the injury survivable by ordinary means. The absence of support converts an accident into a crisis.
02
The descent as the real danger
The summit was reached intact; the catastrophe came on the way down, low on fuel and food, on unfamiliar ground in a building storm. Mountaineering's deaths cluster on the descent, when the objective is won, the body is spent, and judgment is worst. Treating the top as the goal rather than the midpoint is a recurring fatal error.
03
Lowering blind
Yates lowered Simpson over an ice cliff he could not see, into space he could not assess, with no communication between them. Committing a partner into unknown ground without sight or signal is how a controlled descent becomes an uncontrolled fall. The system worked only as long as the terrain was visible — and the terrain was not.
04
The impossible choice
Anchored in failing snow with an immobilised partner hanging unseen below, Yates faced being dragged to his own death and cut the rope. It is a textbook instance of the rescuer's dilemma: the point at which continuing to save one life guarantees the loss of two. The mechanism is brutal and old, and it has no clean answer.
05
The will to act when waiting means death
Simpson survived because, on the crevasse ledge, he chose to lower himself deeper into the dark rather than wait passively for rescue that was not coming. Breaking an impossible ordeal into small, executable steps — and acting rather than waiting — is the difference between the survivors and the dead in case after case of solitary extremity.

Aftermath

No one died on Siula Grande in 1985, but the case became one of mountaineering's most discussed precisely because its central act — cutting the rope on a living partner — is the nightmare every roped climber privately rehearses. Simpson's broken leg required extensive treatment and many operations; he recovered and continued to climb and write. The decision to cut the rope was scrutinised across the climbing world, and the lasting consensus, shared by Simpson himself, is that Yates faced an unwinnable situation and made a defensible choice, and that condemning him from an armchair misunderstands what it is to be dragged off a mountain in the dark.

Simpson's 1988 book Touching the Void and Kevin Macdonald's 2003 documentary turned the ordeal into a touchstone for how survival actually works — not as heroism but as a sequence of small, stubborn decisions made by a man who declined to lie down. The story is remembered less for the climb than for what came after the cut: a demonstration that the line between the dead and the living on a mountain is often nothing more than the refusal to stop moving, and an honest acknowledgement that the partner who let him fall was also the partner who got him most of the way down.

Lessons

  1. Plan the descent as carefully as the ascent and carry the fuel and food to survive it; the summit is the midpoint, and most deaths happen going down.
  2. Respect the costs of going unsupported: alpine style removes the margins that make an accident survivable, so the threshold for committing must be higher, not lower.
  3. Never lower or commit a partner into ground you cannot see or signal across; blind lowering turns a managed descent into a fall.
  4. Accept that the rescuer's dilemma is real and judge it humbly — the point where saving one life guarantees losing two has no clean answer from the armchair.
  5. In solitary extremity, act rather than wait, and break the impossible into the next small movement; survival is usually a sequence of refusals to stop.

References