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Below the tip of my toes is a 300-metre drop onto the glacier below. My foot is curled over the edge of the rock, to gain maximum purchase as I push off at a perfect angle, pre-determined by a thousand other jumps. Ingrained into my muscle memory. Practice doesn’t necessarily make perfect, but it does make permanent so I’ve made sure to practice perfectly.

I bend over to sweep the loose snow and shingle from the edge of the rock and zip up my leg wing. Just that act alone has made my breathing deepen and my heart rate quicken. I am at 6,000 metres above sea level with 50% less oxygen, and I can feel it. I need to compose myself again before I jump, but in the back of my mind I ask myself: is this altitude clouding my judgment? Will it lessen my reaction times in an activity that requires nothing but the most immediate of responses?

It took us eight days from the Aconcagua park entrance to reach this point, and over ten years of experience to be comfortable standing here about to jump. The first three days took us along the Vacas valley, following a river raging with glacial meltwater. We crossed it on the morning of our third day when it was at its lowest, and then began the punishing ascent to our base camp at 4,200m. 

Now began the real acclimatisation. We gave ourselves a rest day before pushing upwards to Camp 1, and then onwards to Camp 2 - our highest camp. At 5,900 metres it was the highest any of us had ever slept and although the night was full of restlessness, broken sleep and cramped conditions, we were acclimatising well. The next morning we attempted a summit push via the Polish Traverse, exhaustingly breaking trail all day. Finally pushing round to the west face, we were hit by a wind so extreme that onwards progress came to an immediate halt. With only 300 metres to push, our summit attempt was abandoned. I had prioritised summiting over any wingsuit jump, as this allowed for a goal that could be shared by all the team. It would also lessen the self-imposed pressure I knew I’d feel had a solo wingsuit attempt been the trip’s primary goal. But here we now were, with an abandoned team summit, and an opportunity for Plan B – a wingsuit flight from a mountain that had never before been jumped. 

I had already scouted a possible exit point a few hundred metres away from Camp 2 at almost 6,000 metres, which gave some decent landing options on the moraine below. So the next day, on re-approaching the exit, I passed a bolt and some tat on the wall and noticed a bag on the ground stuck in the snow. It was an unusual position to find tat like this, and there was no need for a bolt to be on such flat terrain. It stuck out as an obscurity. I tugged at the bag expecting to find some crag swag but unexpectedly found a human skull. Dropping the bag instantly, I beckoned Jimmy over and told him about the grisly discovery. I had seen many skulls and corpses over the years, but this hit me because of the unexpectedness of it all. It wasn’t a war-torn country, the site of an ambush or a poverty-stricken village in a third world country; it was a glacier next to our campsite. I had never seen a corpse in the mountains before. 

Fifty metres past the body, slender fingers of rocks protruded from the cliff. I searched for the steepest and most accessible one, avoiding the heavy cornicing. Throwing a rock over the edge, I counted until I heard the impact six seconds later, meaning I would have plenty of height for the wingsuit to inflate and begin flying. I would normally use a laser range finder, but I was happy on this occasion that the vertical drop gave plenty of room for error. I had already calculated the glide ratio needed to reach the landing below, using various mapping tools.

The gear at this altitude would also be different to my usual jumps. I wore a gilet over a base and mid layer. It was the perfect system as the arms wouldn’t get stuck in the zipper of my arm wing with so many bulky layers. At 6,000 metres the air pressure is 50% less than at sea level, which would affect the inflation of my wingsuit and the handling characteristics of my parachute. I had to take this into account and give myself a larger margin for error than normal. I calculated and carefully thought through all the factors and eventualities, conscious of just how theoretical this was given that I had never jumped from an altitude this high before. 

The main worry was the weather, on a mountain known for routine wind speeds of up to 100 kph, although I’d noticed a pattern of calmness pre-9am on all previous days. Clouds were not really a concern here like they were on a previous jump on Kilimanjaro. Ewa, my wife, joined me on the exit, her hands and feet still numb from the summit attempt the day before. 


“Only jump if you are 100% sure,” she said.

Her second opinion was invaluable, as was her calmness. On other jumps, margins can be squeezed a little, but I wanted nothing to go to chance today. I spotted my landing, and knew that the anabatic winds should be running down the glacier so I could plan my landing pattern accordingly.

I walk out onto the finger of crumbling rock, regain my composure and count down from three. All doubt disappears, and I feel only confidence as I launch. I’m aware of the lack of air density as I fall, although can feel the wingsuit beginning to inflate – and suddenly I’m gliding.

“1,000m Leap of Faith for BASE Jumping Daredevil”

As featured in:

Reflecting on this jump, the hardest part for me was to find confidence. Or at least the correct level of confidence, as well as being true to myself and understanding my own ability. It has taken me over a decade to gain the experience to fly wingsuits at high altitude, a progression which always felt inevitable, combining my love for the mountains and BASE jumping. But to be confident enough to take that leap, but not recklessly overconfident, was the hard part. I’ve recently found that conquering fear comes with acceptance; in this case serious injury or worse. And while I clearly don’t want this as an outcome, I can accept that it exists as a possibility. But, I also feel comfortable in my ability and decision-making to reduce the risk as much as reasonably possible.

My landing was fast, but on easy terrain. While packing up my gear I thought of the friends I’ve lost this year and the body next to our camp. These people gave it their all, but the margins were too fine. I want to be flying and exploring with my wife for the rest of my life, and that requires leaving enough in the tank to get back home.

Tim Howell is a member of the Jöttnar Pro Team. Read more about him here.

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