Heliskiing
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Heli-skiing is off-trail, downhill skiing or snowboarding where the skier reaches the top of the mountain by helicopter, instead of a ski lift.
Avalanche backpack, probe, shovel and a transceiver
Wikipedia heliskiihng heliboarding
Tree well
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A tree well, also known as a spruce trap, is the space around a tree under its branches that does not get the same amount of snow as the surrounding open space. This creates a void or area of loose sn
Heliskiing
…the usage of explosives to intentionally create an avalanche or the more common techniques of avoiding dangerous ski slopes. Another common risk are tree wells. It is standard to use different types of safety equipment, such as avalanche transceivers, probes or shovels, that help to locate and free a person…
A cypress tree shelters the ground around it, creating a tree well.