Quick Answer
Tree well shelters can be used in avalanche-prone areas, but they are not a reliable substitute for a proper avalanche probe and shovel. When used in combination with other safety measures, tree well shelters can provide protection from avalanches. However, they should not be relied upon as the sole means of avalanche protection.
Choosing the Right Tree Well Shelter
When selecting a tree well shelter, look for one that meets the American Society for Testing and Materials (ASTM) standards for avalanche shelters. These shelters typically consist of a collapsible framework with a fabric or mesh material that provides protection from wind-borne snow. The shelter should be easy to set up and provide adequate clearance for standing and movement.
Setting Up the Shelter
To set up a tree well shelter in an avalanche-prone area, follow these steps: (1) choose a tree with a trunk diameter of at least 24 inches; (2) clear the area around the tree of any loose snow or debris; (3) attach the shelter framework to the tree trunk using provided straps or cables; and (4) cover the shelter with the fabric or mesh material. Make sure the shelter is set up at an angle to allow snow to slide off, rather than accumulating on top of the shelter.
Avalanche Safety Considerations
While tree well shelters can provide some protection from avalanches, they are not a substitute for proper avalanche safety measures. Always carry an avalanche probe and shovel, and know how to use them to quickly assess and respond to an avalanche situation. Additionally, check local avalanche forecasts and warnings before venturing into the backcountry, and travel with a partner who is trained in avalanche safety.
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