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Jackson Marvell follows a pitch on the North Face's headwall at ~7200m (23,600ft).
Jackson Marvell follows a pitch on the North Face's headwall at ~7200m (23,600ft). (Photo: Matt Cornell)

Three Americans Just Solved the Hardest Puzzle in the Himalayas

Climbers regarded the North Face of Jannu as the most baffling project in the Himalayas until these alpinists cracked it

Published: 
from Climbing
Jannu
(Photo: Matt Cornell)

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American alpinists Jackson Marvell, Alan Rousseau, and Matt Cornell were huddled together in their tiny alpine shelter鈥攁ll wrapped up in a three-man sleeping bag鈥攚hen a rock ripped through the rainfly like a sniper round.

The trio was perched above 23,000 feet on the North Face of Jannu (25,295 feet), in the Kanchenjunga Himal of far eastern Nepal. They鈥檇 spent three days climbing the route, camped on an exposed fin of snow. Their tent was hanging partway off the side of their snow platform, and rock fall had peppered their tent all night. 鈥淚 slept with my arm around Alan, who was in the middle, all night long, just trying to keep myself on the platform,鈥 Marvell recalled.

Now they were looking at an eight-inch gash in the tent. 鈥淲e used two locking carabiners to stitch it up,鈥 Marvell said. 鈥淭hey acted kind of like fabric clamps,鈥 Rousseau added, chuckling. 鈥淗onestly, we were amazed it worked.鈥

Tent-ripping rockfall was far from their only snafu. The trio鈥檚 shelter was buried in the bergschrund on approach by constant spindrift. The group was pounded by constant falling rock and ice, pushed off the face by 15 mile-per-hour winds, and struck by a collapsing snow mushroom high on the headwall, not to mention pushing through thousands of feet of extremely technical, nails-hard vertical climbing at dizzying altitudes. When Climbing spoke with Rousseau and Marvell, both were in a hospital in Kathmandu recovering from frostbite, but remained in high spirits.

The team on Jannu's summit.
The team on Jannu鈥檚 summit. (Photo: Jackson Marvell)

Jannu, also known as Kumbhakarna, has been a longtime objective for all three climbers. Marvell and Rousseau made a strong attempt in 2021, reaching 23,600 feet, as did Rousseau and Cornell in 2022. In 2023 the trio was finally all together, and with help from an $8,000 AAC Cutting Edge Grant, they were knee-deep in what would become the proudest achievement of any of their careers. 鈥淓verything came together. We had the energy of our whole team, and perfect weather to do this thing,鈥 Marvell said.

Also known as the 鈥淲all of Shadows,鈥 the North Face of Jannu, a sheer rampart soaring almost to the peak鈥檚 summit, has witnessed some of the most technical high-altitude climbing in history. The face was first partially climbed in 1976, by a Japanese team who angled off the face to the east ridge to avoid the final, steep headwall. 1989 saw a direct (claimed) ascent by controversial Slovenian soloist Tomo 膶esen, though most regard this as bunk, along with several of his other more outrageous claimed feats.

Alan Rousseau on the glacial plateau beneath Jannu's immense North Face. The team climbed a long 5.8 rock rib and vertical seracs to get to this point.
Alan Rousseau on the glacial plateau beneath Jannu鈥檚 immense North Face. The team climbed a long 5.8 rock rib and vertical seracs to get to this point. (Photo: Matt Cornell)

The first verified came in 2004, with a heavy aid effort by a Russian team under Alexander Odintsov. The group won a Piolet d鈥橭r for their efforts but ignited some controversy for leaving a large amount of gear behind on the wall, as well as the 鈥渟iege-style鈥 manner of their ascent (55 days, ten climbers, an overwhelming amount of fixed ropes, and so on).

Hard Climbing at High Altitude

Rousseau, Cornell, and Marvell had an altogether different style in mind. The team traveled light and fast, carrying a small alpine shelter and two inflatable portaledge pods, bundling together in a custom-built three-person sleeping bag. 鈥淭his was our first time tripling up [in a single sleeping bag],鈥 Rousseau said. 鈥淚t was awesome.鈥

On October 7 they set off from a camp at 15,400 feet, crossing a and climbing a somewhat technical granite buttress. 鈥淎bove that, we got into an icefall, climbing through vertical seracs, making our way up onto this hanging glacier plateau,鈥 said Rousseau. The team slept in the North Face鈥檚 bergschrund at 19,000 feet that night at the base of the steep, upper mountain.

The line of Round Trip Ticket on Jannu;'s North Face.
The line of Round Trip Ticket. (Photo: Alan Rousseau)

During the night, heavy spindrift piled up around their shelter. 鈥淲e got pretty pounded,鈥 Marvell said. 鈥淚t was piling up slowly, so we weren鈥檛 at risk of getting buried, but it was seriously stacking up, collapsing our tent a bit, so we had to get out and excavate in the middle of the night.鈥

In the morning, they climbed a 鈥渟nice鈥 (hard-frozen snow) ramp feature on the wall, traveling from 19,000 feet to almost 22,000 feet. Although the first 1,000 feet of snice was nearly vertical, it protected well with a bit of effort. The team made camp beneath a steep rock buttress.

On the third day the team ascended to 23,300 feet. 鈥淭hat was where the technical climbing really begins,鈥 Rousseau said. 鈥淔rom that point on there was difficult mixed climbing [climbing on rock and ice with crampons and ice tools] to get established up in the headwall.鈥

This was the night they carabiner-stitched their tent fly, and in the morning of the fourth day the technical climbing began in earnest. Above them was all new terrain, higher than any high point they鈥檇 reached in the two prior seasons. They led the route in blocks, with each member typically tackling three to four 150-foot pitches at a time.

Marvell leads a steep pitch (note the tag line hanging in space) low on the headwall, at 7,200 meters (23,600ft).
Marvell leads a steep pitch (note the tag line hanging in space) low on the headwall, at 23,600ft. (Photo: Matt Cornell)

Though the trio covered barely 500 feet that first day on the headwall, things went smoothly. 鈥淚t was really nice, we had a great window,鈥 Marvell said. 鈥淭he weather kept on opening, and we didn鈥檛 have a big rush to move fast in that terrain. We were all climbing our pitches well.鈥 The technical mixed climbing got even more difficult, but never stymied the team.

While Cornell followed a pitch, Marvell and Rousseau were hit at the belay stance by a large snow mushroom that collapsed from an overhang high above them. The collapse, which totally buried Marvell and Rousseau, luckily missed Cornell, though he could no longer see his companions at all, enveloped in the snow. 鈥淭he force of it was pretty great,鈥 Marvell said, 鈥渁nd there were a lot of chunks in it, but it didn鈥檛 feel like it would鈥檝e knocked you off the face.鈥 That night鈥攖he team鈥檚 first hanging bivouac鈥攖hey set up in the yawning cavity from which that snow fell.

鈥淒ay five was more of the same,鈥 said Rousseau. 鈥淲e started right off the bat with gnarly hard climbing on a vertical panel. Matt led a pretty impressive block of technically difficult mixed climbing that eventually got us up to where we slept at [24,600 feet] in another hanging belay.鈥

Rousseau belays Cornell as he leads out from a tension traverse to link sheets of ice at ~7,300m (24,000ft) on day five.
Rousseau belays Cornell as he leads out from a tension traverse to link sheets of ice at 24,000 feet on day five. (Photo: Jackson Marvell)

They鈥檇 budgeted 2,500 calories per day, but by this point, their calorie consumption had dwindled to a mere 800 to 1,000. 鈥淏y the time we got high, we were really losing appetite,鈥 Marvell said. 鈥淚 wasn鈥檛 able to put down energy bars during the day.鈥 This wasn鈥檛 just an appetite issue. Their bars and gels also kept freezing, as did their water, despite insulated bottles. 鈥淥n that vertical of a face, it鈥檚 really challenging to stop, get out a stove, and brew,鈥 Marvell said. As a result, by the time they were high on the wall, he was eating only one dehydrated meal at the end of the day, and perhaps a bar in the morning.

As anyone who has slept (or tried to sleep) at elevation can imagine, the nights grew progressively worse. 鈥淢orale was always high, but man, as we got higher, shit went down pretty rapidly,鈥 Marvell said. Luckily the route protected quite well, and though they were incredibly sleep-deprived, the trio recalled no pitches being so unprotectable that the climbers risked injury or death in the event of a fall.

That fifth night, in particular, the group was severely fatigued. Rousseau remarked to Marvell, 鈥淚 remember saying to you guys, 鈥業 know we have a long way to go, but I kind of feel like we just did something insane.鈥 And you guys sort of just nodded silently at me. Like, 鈥榊eah dude鈥 We鈥檙e with you, but we have a long fuckin鈥 way to go.鈥 That moment really sticks out for me,鈥 Rousseau said, laughing. 鈥淟ike, we all should be so psyched right now, but we were destroyed, just hoping to survive at that point.鈥

The following day, their last on the route, was 鈥渄eceptively hard,鈥 said Rousseau. 鈥淲e kind of wrapped around to the south side of the mountain after topping out the headwall on our side, and we thought it鈥檇 be more moderate, but it was still pretty real vertical climbing up until just a couple hundred feet shy of the summit.鈥

Marvell leads the last technical pitch before the summit at ~7,650m (25,000ft).
Marvell leads the last technical pitch before the summit at around 25,000ft. (Photo: Matt Cornell)

On the night of the sixth day, October 12, the team rapped down from the summit, sleeping at their last bivouac at 24,600 feet. By the end of the seventh day, they were back at their base camp.

Like Cogs in the Machine

The team christened their route鈥攅ntailing nearly 9,000 feet of climbing broken up into a 鈥渕etric shit-ton鈥 of 150-foot pitches鈥斺淩ound Trip Ticket.鈥 Ultimately they used a hint of aid climbing in the form of tension traverses, but predominantly free climbed. It鈥檚 certainly the most inspired effort on Jannu to date, if not one of the most impressive Himalayan feats in recent history, and the high point of these alpinists鈥 careers.

That鈥檚 saying something because Marvell, Cornell, and Rousseau are no slouches. Earlier this year, the trio put up a proud (9,545 feet) with the difficult and unprotected 5,000-foot route called 鈥淎im for the Bushes,鈥 and last year made a of the notorious 鈥淪lovak Direct鈥 on Denali (20,310 feet).

But those missions pale in comparison to 鈥淩ound Trip Ticket,鈥 they said. 鈥淭his is definitely a couple of steps beyond anything any of us has done before,鈥 said Rousseau, 鈥淸because of] the elevation, the fact that it鈥檚 a dead North Face with no sun, and just the days of sustained climbing at that altitude. We always thought of the North Face of Jannu as being the ultimate prize in this style of climbing. And it lived up to those expectations.鈥 鈥淚t probably surpassed them,鈥 added Marvell.

The team's headwall bivy, their fourth night on the mountain.
The team鈥檚 headwall bivy, their fourth night on the mountain. (Photo: Jackson Marvell)

Teamwork was an integral part of their success on Jannu. All three agreed that the three-man group was crucial to their success, not just from a morale perspective but logistically as well. 鈥淔ewer hard leads per person, less overall weight to carry, it makes it all easier,鈥 said Rousseau.

There was no conscious decision for any one member to specialize in any section or style of climbing, though in the past the trio has used such an approach. 鈥淭his time it was just an organic thing,鈥 said Rousseau. 鈥淲e knew everybody could do everything, so in the morning, it was like, 鈥榊o, who wants to tie in?鈥欌

Climbing difficult vertical ice and mixed pitches is one thing, of course, but when you take that performance and set the stage at between 22,000 and 25,000 feet, what once was an impressive athletic endeavor becomes just as much a battle of the psyche.

鈥淓verything starts to feel more desperate,鈥 said Rousseau. 鈥淵ou have a really small margin. You can鈥檛 allow yourself to panic because you don鈥檛 have the reserves. You have to focus on efficiency. Control is the ultimate concern. Conservation of energy. We all just started feeling like cogs in the machine. We did our work, and pitch by pitch, it whittled away. Before we knew it, we were on top of the most intimidating feature we could think of.鈥

Each member of the climb felt this 鈥渃og in the machine鈥 experience. Every man had his own way of describing it, but they all evinced the same almost spiritual experience on the wall. Cornell wrote on his Instagram, 鈥淐onsumed by events of the climb, we lost the meaning of individuality.鈥 In Rousseau鈥檚 words, 鈥淭he key was surrendering to a super deep flow state that we all entered together.鈥

鈥淲hat was crazy for me is that when I was leading my block, I felt fully engaged,鈥 added Marvell. 鈥淵ou鈥檙e functioning at your highest capacity, and you have the team鈥檚 trust behind you. And when you鈥檙e following, it鈥檚 reversed. It鈥檚 almost like you can rest because all of your trust is in the leader.鈥

Perhaps sleeping in the same sleeping bag helped them enter this flow state of ultimate trust, though that remains speculation.

Buying a Round Trip Ticket

The group named their line after a comment made by Russian Sergey Kofanov in a . Kofanov and partner Valery Babanov had made an ascent of a new route on Jannu via the West Pillar (鈥淢agic Pillar鈥) earlier that year.

In that piece, Kofanov remarks on the allure of the North Face. 鈥淚 couldn鈥檛 tear my gaze away from [it],鈥 he writes. 鈥淚ts immensity was so mesmerizing it made me dizzy. Such a cosmic cold issued from its frozen granite walls, even when I had my back to it, I felt as if it were watching me. Perhaps someday, a pair will climb a direct route on the North Face in alpine style, but they鈥檒l need to accept the likelihood that they鈥檙e buying themselves a one-way ticket.鈥

Rousseau on summit day, at ~7,500m (24,600ft).
Rousseau on summit day, at 24,600ft. (Photo: Jackson Marvell)

The men all noted that they dealt with some negativity from friends and loved ones during their years venturing to Jannu. The concerns may have been well-intentioned, but in reality, manifested as toxicity. 鈥淚 dealt with a lot of unfortunate interactions the first couple of years I went over there,鈥 Rousseau said, 鈥減eople telling me or my wife that I wasn鈥檛 going to come back from this. So this route name was a bit of a 鈥榝uck you鈥 to those people. We came here collectively three times, and we bought three round-trip flights. We were intent on coming back every time.鈥

鈥淭here鈥檚 so much talk in the alpine climbing world that if you want to climb hard, you have to accept death as a consequence,鈥 Rousseau continued. 鈥淚 think that鈥檚 true to some extent, but it鈥檚 overplayed. The over-emphasis on mortality in alpinism sets us back a bit.鈥

All adventure athletes have to find a balance between acceptable and unacceptable risk to practice their sport. If one errs too heavily on the side of caution, they鈥檒l never leave home in the first place. Too far to the other side, and they won鈥檛 come back at all. Naturally, everyone draws their line in a different spot.

The Rousseau-Marvell-Cornell team believes that a big factor in their success is that all three draw their lines in nearly the same spot. They鈥檙e willing to accept a comparable amount of risk, and they analyze it in a similar way. For Marvell, the trick lies in staying rational. 鈥淚f you let your brain tell you that it鈥檚 all bad, then that will be your experience. In 2021, we turned around pretty high on the wall because we didn鈥檛 have the window we wanted. It was disappointing, but that鈥檚 just what you do. So it never felt crazy, like we were climbing into a death trap.鈥

鈥淭his is the third year we鈥檝e come to [Jannu],鈥 Rousseau added. 鈥淲e鈥檝e become pretty strict observers of where things are falling, where avalanches are happening, and how long it takes for the route to clean. We analyze things as in-depth as we can before we launch. We pick the best window, the best forecast, and make no compromise. But once we step into it, we just climb.鈥

There are moments, of course, where the team had to come together and regroup, such as when the large snow release hit Marvell and Rousseau at their belay. 鈥淏ut once we meet and we make our call, we don鈥檛 let ourselves doubt it,鈥 Rousseau said. 鈥淯nless the conditions change again鈥攚hich you have to be open to accepting鈥攖hen, man, you focus on climbing and nothing else.鈥

鈥淒on鈥檛 put yourself in that doubting headspace. Just go.鈥

Lead Photo: Matt Cornell

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