KnowraSupplemental oxygen in mountaineeringLinked fromLinked fromThe 6 pages that link to Supplemental oxygen in mountaineering, each with the reason it gives.All 6Related 4Compared with 2High-altitude mountaineeringRelated: It can improve performance and reduce hypoxic stress, but adds equipment and failure risks.Reinhold MessnerCompared with: Messner’s oxygen-free ascents challenged a long-standing aid for climbing above 8,000 meters.Gasherbrum IIRelated: Some Gasherbrum II climbers use it to reduce the effects of extreme altitude.MakaluRelated: Climbers may use it to cope with Makalu's thin air above 8,000 meters.Broad PeakCompared with: The 1957 first ascent was achieved without supplemental oxygen, unlike many later expeditions.Edurne PasabanRelated: Pasaban used supplemental oxygen on some climbs, a distinction relevant to comparisons of eight-thousander records.