Is Mount Everest Taller Than K2?

Mount Everest is the highest mountain on Earth. K2 is widely considered the world's most dangerous mountain to climb. Both have killed many of the planet's best mountaineers, both stand among the most fearsome objectives in alpinism, and they're close enough in height that the comparison is more meaningful than people often realize.

The Short Answer

Yes, Mount Everest is taller than K2 — but only by 238 meters. Mount Everest reaches 8,849 m (29,032 ft). K2 reaches 8,611 m (28,251 ft). Everest is about 2.8% taller. But by virtually every other measure of difficulty, K2 is the more demanding climb.

Side-by-Side Numbers

• Mount Everest height: 8,849 m (29,032 ft)
• K2 height: 8,611 m (28,251 ft)
• Difference: Everest is 238 m taller
• Ratio: Everest is 1.028× the height of K2
• Everest location: Nepal/Tibet border, Himalayas
• K2 location: Pakistan/China border, Karakoram

Mount Everest

Mount Everest sits on the border between Nepal and Tibet (China), in the Mahalangur range of the Himalayas. The mountain is the result of the ongoing collision between the Indian and Eurasian tectonic plates, which began around 50 million years ago and is still pushing the Himalayas higher at a rate of a few millimeters per year. The mountain is known locally as Sagarmatha in Nepali and Chomolungma in Tibetan. It was named "Mount Everest" in 1865 after Sir George Everest, the British Surveyor General of India who oversaw the Great Trigonometrical Survey that measured it.

Everest was first successfully summited on May 29, 1953, by Edmund Hillary (New Zealand) and Tenzing Norgay (Nepal). Since then, more than 6,000 people have reached the summit, including dozens of "speed ascent" climbers who reach the top in under 24 hours from base camp. Over 300 climbers have died on Everest. The commercial climbing industry on Everest, generating over $300 million per year for Nepal's economy, has been criticized for crowding and waste — viral images of climbers queuing at the Hillary Step on summit day have prompted ongoing debate about regulation.

K2

K2 sits on the China-Pakistan border in the Karakoram range, the highest mountain in the Karakoram and the second-highest on Earth. The name "K2" comes from the British survey of 1856 — the K stands for "Karakoram" and 2 indicates it was the second peak in that survey. Despite efforts to give it a local name (Chogori is sometimes used), "K2" has stuck. Unlike Everest, the mountain has no major local population centered around it — the nearest village, Askole, is about 100 km away on the Pakistani side.

K2 was first summited on July 31, 1954, by Italian climbers Lino Lacedelli and Achille Compagnoni. The first winter ascent was not accomplished until January 2021, by a team of Nepali climbers — the last 8,000-meter peak to be conquered in winter, a record that stood for decades because of K2's extreme winter conditions.

Climbing Difficulty

Despite being shorter than Everest, K2 is far more dangerous. The fatality rate on K2 is about 22% — for every five climbers who reach the summit, more than one dies on the mountain. Everest's fatality rate is closer to 3%. K2 is steeper than Everest from almost every approach. The standard Abruzzi Spur route involves sustained climbing on mixed rock, ice, and snow at angles of 50–80 degrees in places. There is no "easy" route on K2; every face presents extreme technical and avalanche risks.

Everest, while still extraordinarily difficult, has become accessible to well-funded amateur climbers through commercial expeditions, Sherpa support, fixed ropes, and supplemental oxygen. K2 has no such infrastructure. The "Bottleneck" — a narrow couloir at about 8,200 m on the standard route — is overhung by a massive ice serac that has caused multiple deaths when it has calved off. The 2008 K2 disaster killed 11 climbers in 48 hours after the serac collapsed and stranded a large summit party.

Weather

K2's weather is significantly worse than Everest's. The Karakoram is farther north and at a higher latitude than the Himalayan Everest region, which means colder temperatures and shorter weather windows. Winter conditions on K2 are extreme — winds can exceed 200 km/h, temperatures drop below −60°C, and storms can last for weeks. The summer climbing season is short, usually June to early August. Everest, while still subject to brutal weather, has more predictable windows in April–May and September–October.

Climbing Statistics

As of recent counts, about 6,000 people have summited Everest. Approximately 420 have summited K2. Everest has been climbed by more women than have summited K2 in total. Everest has been climbed without supplemental oxygen by around 200 people; K2 has been climbed without supplemental oxygen by fewer than 50. The total number of K2 winter ascents was zero until 2021; the total number of Everest winter ascents is over a dozen.

Why Everest is "Easier"

The difference isn't about altitude alone. Several factors make Everest more accessible: it has gentler average gradients on the standard routes; the high camps are positioned on relatively flat areas; the Khumbu Icefall and Lhotse Face are hazardous but predictable enough to fix ropes through; the climbing infrastructure (Sherpa support, fixed lines, oxygen) is extensive; weather windows are longer and more predictable; and the proximity to Kathmandu and helicopter rescue makes evacuations possible from much higher elevations. K2 has almost none of these advantages.

Cultural Significance

Both mountains are mythic in mountaineering culture. Everest has been the subject of countless books, documentaries, and films — from Jon Krakauer's "Into Thin Air" (1997) to "Everest" (2015) — and is synonymous in popular culture with the idea of "the highest peak." K2 holds a different place in the imagination: the "savage mountain" or "mountaineer's mountain," the peak that has killed more elite climbers per attempt than any other. It is mountaineering's ultimate test of skill and luck.

Geographic Setting

Everest is part of the Himalayas, a range stretching about 2,400 km across northern India, Nepal, Bhutan, Tibet, and Pakistan. The Himalayas formed by the collision of the Indian and Eurasian plates and contain 10 of the 14 highest peaks in the world. K2 is part of the Karakoram, a different range about 500 km long across Pakistan, India, China, Tajikistan, and Afghanistan. The Karakoram contains 4 of the 14 highest peaks (K2, Gasherbrum I, Broad Peak, Gasherbrum II), all over 8,000 m. The Karakoram glaciers — including the Baltoro Glacier, which K2 sits above — are some of the largest outside the polar regions.

Famous Deaths and Tragedies

K2 has claimed many of the world's most famous climbers. Alison Hargreaves, the British alpinist who had climbed Everest without oxygen earlier that year, died in a storm on K2 in 1995 along with five others. The 2008 disaster killed 11 climbers in 48 hours after an ice serac collapsed on the standard route. Iconic Polish climber Wanda Rutkiewicz disappeared on K2 in 1992. Everest has had its own tragedies — the 1996 disaster (covered in Krakauer's "Into Thin Air") killed 8 climbers in a single storm; the 2014 Khumbu Icefall serac collapse killed 16 Sherpas; the 2015 earthquake-triggered avalanche killed 22 at Everest Base Camp. Both mountains continue to claim lives despite improved equipment and meteorology.

Approaches and Access

Everest is approached either from the Nepali side via Lukla airport and the Khumbu Valley (a 7–10 day trek to Base Camp at 5,364 m) or from the Tibetan side via Lhasa and a road network that brings vehicles to North Base Camp at 5,150 m. K2 has no comparable access. Climbers fly to Skardu in Pakistan's Gilgit-Baltistan, then drive to Askole (about 100 km on rough roads), then trek for 6–8 days up the Baltoro Glacier to K2 Base Camp at 5,150 m. The trek itself, past Trango Towers and Concordia, is one of the most spectacular in the world but requires serious physical preparation.

Key Facts

• Mount Everest is about 2.8% taller than K2.
• Everest is the world's tallest mountain; K2 is the world's second-tallest.
• K2 has a fatality rate of about 22% — about 7× higher than Everest.
• K2 has been climbed by fewer than 1/10 as many people as Everest.
• K2's first winter ascent was not until January 2021.

Fun Facts

• The "K" in K2 stands for "Karakoram."
• Everest grows by about 4 mm per year due to ongoing tectonic activity.
• K2 was first attempted in 1902 by Aleister Crowley's expedition.
• The Italian flag still flies at K2's base camp area to honor the 1954 first ascent.
• Reinhold Messner was the first person to summit all 14 eight-thousanders without oxygen, completing K2 in 1979.

The Bottom Line

Mount Everest is taller than K2 — but only by 238 meters. The 2.8% height difference is dwarfed by the dramatic difficulty gap: K2 is about 7 times more deadly than Everest. Mountaineers often say that Everest tests stamina while K2 tests skill. Both will continue to be ultimate prizes for the world's top climbers, both will continue to claim lives, and both will continue to inspire those who look up at them — even if only from photographs.