Eight-thousanders compared

Cho Oyu vs Annapurna I

Cho Oyu (8,188 m, world #6) and Annapurna I (8,091 m, world #10) compared side by side — height, first ascent and danger. Cho Oyu is 97 m taller.

	Cho Oyu	Annapurna I
Height	8,188 m	8,091 m
World rank	#6	#10
Range	Mahalangur Himal	Annapurna Himal
Location	Solukhumbu, Koshi	Kaski / Myagdi, Gandaki
Border	Nepal–China (Tibet) border	Entirely in Nepal
First ascent	19 October 1954	3 June 1950
First climbers	Herbert Tichy, Josef Jöchler (Austria) & Pasang Dawa Lama (Nepal)	Maurice Herzog & Louis Lachenal (France)
Standard route	Northwest Ridge from Tibet (the usual commercial route); Nepal-side routes are far harder	North Face (1950 French route); the immense South Face is one of alpinism's great test-pieces
Danger	Fatality rate ≈1.4% of summits — statistically the safest eight-thousander (Himalayan Database-derived compilations).	Long the deadliest 8,000er: historical fatality rates exceeded 30%; with the surge in guided ascents the summits-to-deaths ratio fell to ≈13–14% by early 2025 (559 summits / 75 deaths) — still the highest of the fourteen.

Cho Oyu

The 'Turquoise Goddess' rises west of Everest above the Nangpa La trade pass. Statistically the most attainable 8,000er,…

Full Cho Oyu profile →

Annapurna I

The first eight-thousander ever climbed — and statistically the most dangerous. Annapurna I crowns a 55 km massif holdin…

Full Annapurna I profile →

Questions

Cho Oyu vs Annapurna I, answered

Is Cho Oyu taller than Annapurna I?+

Cho Oyu stands 8,188 m and Annapurna I 8,091 m, so Cho Oyu is 97 m taller. Cho Oyu is the world's 6th-highest mountain and Annapurna I the 10th.

Which was climbed first, Cho Oyu or Annapurna I?+

Cho Oyu was first summited on 19 October 1954; Annapurna I on 3 June 1950.

Which is more dangerous, Cho Oyu or Annapurna I?+

Cho Oyu: Fatality rate ≈1.4% of summits — statistically the safest eight-thousander (Himalayan Database-derived compilations). Annapurna I: Long the deadliest 8,000er: historical fatality rates exceeded 30%; with the surge in guided ascents the summits-to-deaths ratio fell to ≈13–14% by early 2025 (559 summits / 75 deaths) — still the highest of the fourteen.

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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.