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Eight-thousanders compared

Cho Oyu vs Manaslu

Cho Oyu (8,188 m, world #6) and Manaslu (8,163 m, world #8) compared side by side — height, first ascent and danger. Cho Oyu is 25 m taller.

Cho OyuManaslu
Height8,188 m8,163 m
World rank#6#8
RangeMahalangur HimalMansiri Himal
LocationSolukhumbu, KoshiGorkha, Gandaki
BorderNepal–China (Tibet) borderEntirely in Nepal
First ascent19 October 19549 May 1956
First climbersHerbert Tichy, Josef Jöchler (Austria) & Pasang Dawa Lama (Nepal)Toshio Imanishi (Japan) & Gyalzen Norbu Sherpa (Nepal)
Standard routeNorthwest Ridge from Tibet (the usual commercial route); Nepal-side routes are far harderNortheast Face
DangerFatality rate ≈1.4% of summits — statistically the safest eight-thousander (Himalayan Database-derived compilations).Fatality-rate compilations put Manaslu near 7% of summits historically; a 2012 avalanche killed 11 climbers in one night, and crowded post-2020 seasons have brought new risks.
Questions

Cho Oyu vs Manaslu, answered

Is Cho Oyu taller than Manaslu?+

Cho Oyu stands 8,188 m and Manaslu 8,163 m, so Cho Oyu is 25 m taller. Cho Oyu is the world's 6th-highest mountain and Manaslu the 8th.

Which was climbed first, Cho Oyu or Manaslu?+

Cho Oyu was first summited on 19 October 1954; Manaslu on 9 May 1956.

Which is more dangerous, Cho Oyu or Manaslu?+

Cho Oyu: Fatality rate ≈1.4% of summits — statistically the safest eight-thousander (Himalayan Database-derived compilations). Manaslu: Fatality-rate compilations put Manaslu near 7% of summits historically; a 2012 avalanche killed 11 climbers in one night, and crowded post-2020 seasons have brought new risks.

More comparisons

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Sources & data note

Heights follow the 2020 Nepal–China Everest survey and UIAA figures. Ascent and fatality statistics derive from the Himalayan Database (via Alan Arnette, 2026) and reported press figures; see each peak's profile for full sourcing.