Quick Answer
Anchor a shelter in snowy terrain by digging a trench, then using a combination of snow anchors and guy lines to secure it. Choose a shelter design with a low profile to minimize wind load. Use snow anchors with a minimum depth of 12 inches.
Choosing the Right Shelter Design
In snowy terrain, it’s essential to select a shelter design that can withstand strong winds and heavy snowfall. Look for a design with a low profile, such as a snow trench or a quinzhee, which will reduce the surface area exposed to the elements. Avoid peak-roofed shelters, as they can be prone to collapse under heavy snow.
Digging a Trench and Creating Snow Anchors
To create a stable shelter foundation, dig a trench that’s at least 12 inches deep and 2-3 feet wide. This will provide a solid base for your snow anchors. To create snow anchors, pack snow into a hole or a trench, then shape it into a block or a cylinder. The ideal snow anchor should be at least 12 inches in diameter and 18 inches tall. Use a digging tool or your hands to shape the snow into the desired form.
Securing the Shelter with Guy Lines
Once you’ve created your snow anchors, use guy lines to secure the shelter to the anchors. Use a minimum of two guy lines, spaced evenly apart, to distribute the weight of the shelter. The guy lines should be anchored to the shelter at a height of at least 6 feet off the ground, and should be tensioned to a minimum of 10 pounds of force. Use a quick-release system, such as a pulley or a cam, to make it easy to adjust the tension on the guy lines.
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