Quick Answer
A log fire platform is not strictly necessary in deep snow, but a well-placed snow pit can still provide a safe and insulated space for a fire.
Creating a Snow Pit
When building a snow pit for a fire, look for a spot with relatively deep, dense snow. Aim for a spot at least 3 feet deep, with a layer of granular snow at the bottom to provide good insulation. Use a shovel or ski pole to dig out a pit about 3-4 feet in diameter and 2-3 feet deep, leaving a small mound of snow on top to provide wind protection.
Building the Fire Platform
If you need a fire platform within the snow pit, use logs or branches to create a simple platform about 2-3 feet in diameter. Space the logs about 6-8 inches apart to allow for good airflow and to keep the platform stable. You can also use a metal or plastic grate if you have one, but be sure to place it on top of a bed of gravel or sand to prevent it from sinking into the snow.
Fire Safety Considerations
When building a fire in a snow pit, be aware of the risk of carbon monoxide buildup. Choose a spot with good ventilation, and never place your fire in a cave or tunnel. Keep your fire small and controlled, and never leave it unattended. If you’re in a group, take turns keeping watch and ensuring the fire is extinguished when you leave it.
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