ski backcountry safety example tree well

avalanche background board branch branches cold colder colorado concussion coniferous conservation covered crosscountry distance downhill fall fir forest form formation freeze frozen group habit hazard hazardous immersion injury looking loose mountain mountains move national nieve oregon pattern pine piste powder rhythm season seasonal seasons shape ski skiing skis snow snowboard snowcovered snowed snowfall snowy sports spruce strength suffocation survival tall teamwork telemark trap trees treewell view void wild winter wintry woods