Fixed ropes

Fixed ropes are not used in 'alpine style' mountaineering as they are considered akin to a form of aid climbing. Fixed ropes are commonly used on big wall climbing routes where it is common for the non-lead climber(s) to jumar up on fixed ropes to save time and conserve effort; the re-belay technique is often used on big walls to reduce wear on fixed ropes. Guided to Himalayan peaks such as the easier eight-thousanders, often set up extensive networks of fixed ropes on steep or icy sections of the climbing route to help their less experienced clients, and to allow their porters and sherpas move quickly along the route. For example, on the Hillary Step of Everest, networks of fixed ropes improve client safety, but then cause bottlenecks at altitudes in the death zone. The ethics on the use of extensive fixed rope networks by commercial adventure companies facilitating access to dangerous eight-thousander summits for weaker climbers is a source of debate in mountaineering.