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An ice axe is a multi-purpose hiking and climbing tool used by mountaineering in both the ascent and descent of routes that involve snow or ice covered (e.g. ice climbing or mixed climbing) conditions. Its use depends on the terrain: in its simplest role it is used like a walking stick, with the mountaineer holding the head in the center of their uphill hand. On steep terrain it is swung by its handle and embedded in snow or ice for security and an aid to traction. It can also be buried pick down, the rope tied around the shaft to form a secure anchor on which to bring up a second climber, or buried vertically to form a stomp belay. The adze is used to cut footholds, as well as scoop out compacted snow to bury the axe as a belay anchor. (2025). 9780898868289, The Mountaineers. ISBN 9780898868289
Most ice axes meet design and manufacturing standards of organizations such as the Union Internationale des Associations d'Alpinisme (UIAA) or European Committee for Standardization (CEN). There are two classifications of ice axe, Basic (B/Type 1) and Technical (T/Type 2).
For ski mountaineering and racing, where weight is of paramount concern, manufacturers have produced short (~) and light () ice axes. Some of these have aluminium alloy heads/picks which are unlikely to be as effective or robust as steel heads/picks.
The old method to approximate the correct length of an ice axe was for the climber to hold the axe (spike facing the ground) at his/her side while standing relaxed. The spike of the ice axe should barely touch the ground when the climber stands fully upright holding the axe in this manner. This may still be appropriate when the ice axe is to be used on relatively flat ground, most likely in glacier travel.
Modern mountaineers often carry shorter ice axes , for general use, with anything over typically regarded as too large and unwieldy for chopping steps or climbing steep snow. A walking pole (providing a third point of contact), although stabilising and making a slip less likely, is unlikely to stop a fall.
According to the earliest manufacturer of ice axes, Grivel, these two tools were merged to create the first true ice axe around 1840. Early ice axes had a vertical adze, with the cutting edge aligned with the direction of the shaft, as in a conventional axe. This design lasted until at least 1860, but eventually the adze was rotated to the current position, perpendicular to the direction of the shaft. The Italian Alpine Club published a book in 1889 entitled Fiorio e Ratti – The dangers of mountaineering and rules to avoid them, which recommended ice axes as among "the inseparable companions of the mountaineer".
In the late 19th century, the typical ice axe shaft measured in length. British climber Oscar Eckenstein started the trend toward shorter ice axes with a lighter model measuring . Initially, this innovation was criticized by well-known climbers of the era, including Martin Conway, a prominent member of the Alpine Club, who was the leader of an early expedition to the Baltoro Muztagh region near K2 in 1892 of which Eckenstein was a member.
Early ice axes had picks and adzes of about equal lengths. By the beginning of the 20th century, the pick lengthened to about twice the length of the adze. Improvements in crampon design (pioneered by Eckenstein in 1908) and ice climbing technique led to use of shorter, lighter ice axes appropriate to steeper ice climbs in the period between the world wars.
A famous rescue involving an ice axe took place during the Third American Karakoram Expedition to K2 in 1953. One of the climbers, Art Gilkey, was incapacitated by thrombophlebitis. The other climbers attempted to rescue him by lowering him down the mountain by rope, wrapped in a sleeping bag. While crossing a steep ice sheet, a slip caused Gilkey and five other climbers to begin falling down a steep slope. Climber Pete Schoening wedged his ice axe alongside a boulder, and managed to belay the roped climbers, saving their lives. (Gilkey, however, later in the same descent was swept away by an avalanche. Remains of his lost corpse were discovered in 1993.) Schoening's ice axe is now on display at the Bradford Washburn American Mountaineering Museum in Golden, Colorado.
In 1966, Yvon Chouinard led a significant redesign of ice axes, working with initially reluctant manufacturer Charlet to develop a ice axe with a dramatically curved pick. Chouinard believed that "a curve compatible with the arc of the axe's swing would allow the pick to stay put better in the ice. I had noticed that a standard pick would often pop out when I placed my weight on it." Chouinard's idea worked and began a period of innovation in ice axe design.Yvon Chouinard (1978). 9780871562081, Sierra Club Books with American Alpine Club. . ISBN 9780871562081
In 1978, the Safety Commission of the Union Internationale des Associations d'Alpinisme (UIAA) established formal standards for ice axe safety and performance. This led to the replacement of the traditional wooden shaft by metal alloy shafts. Ergonomically curved handles became widespread in 1986. Use of modern aluminum alloys have led to a dramatic reduction in the weight of some ice axes. One model now on the market, the C.A.M.P. Corsa, weighs only with a shaft. One expert rated this lightweight ice axe as "ideal for low angle glacier travel" but said he "craved the solid and secure heft of a true steel mountain ax" in more demanding steep alpine conditions.
===Gallery of ice axes 1970s–2010s===
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