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A snow anchor (also called a snow pro) is a type of natural or artificial protection used in
mountaineering Mountaineering, mountain climbing, or alpinism is a set of outdoor activities that involves ascending mountains. Mountaineering-related activities include traditional outdoor climbing, skiing, and traversing via ferratas that have become mounta ...
,
alpine climbing Alpine climbing () is a type of mountaineering that uses any of a broad range of advanced climbing skills, including rock climbing, ice climbing, and/or mixed climbing, to summit typically large routes (e.g. multi-pitch or big wall) in an alpi ...
and
ice climbing Ice climbing is a climbing discipline that involves ascending routes consisting entirely of frozen water. To ascend, the ice climber uses specialist equipment, particularly double ice axes (or the more modern ice tools) and rigid crampons. ...
as an
anchor An anchor is a device, normally made of metal, used to secure a vessel to the bed of a body of water to prevent the craft from drifting due to wind or current. The word derives from Latin ', which itself comes from the Greek (). Anch ...
. Two common artificial devices are the snow fluke and snow picket. A snow anchor is used both for climbing and for securing tents and other camping gear, that is designed for use in sand and snow. A snow fluke is a bent square or rectangle, approximately , and is made of
aluminum Aluminium (or aluminum in North American English) is a chemical element; it has chemical symbol, symbol Al and atomic number 13. It has a density lower than that of other common metals, about one-third that of steel. Aluminium has ...
or other metal, with a cable attached at two points on the upper surface. A fluke correctly used is buried in the snow, tip pointed down, approximately 40° from the angle of the mountain slope. Flukes can deflect or dislodge in harder-packed or dry snow, and are therefore more reliably used in heavy, moist snow. A snow picket is usually made of lightweight aluminum in long T-shaped design.


See also

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Glossary of climbing terms Glossary of climbing terms relates to rock climbing (including aid climbing, lead climbing, bouldering, and competition climbing), mountaineering, and to ice climbing. ebook: The terms used can vary between different English-speaking countries; ...
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Rock-climbing equipment Rock-climbing equipment varies with the specific type of climbing that is undertaken. Bouldering needs the least equipment outside of climbing shoes, climbing chalk and optional crash pads. Sport climbing adds ropes, harnesses, belay devi ...


References

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