Eric Knoff talks to a snowmobiler about the dangers of highmarking during a HIGH danger as winds rip and move lots of snow at the ridgeline. Photo: GNFAC Advisory Year 16-17 Forecast link: GNFAC Avalanche Advisory for Wed Feb 22, 2017GNFAC Avalanche Forecast for Thu Feb 23, 2017GNFAC Avalanche Advisory for Fri Feb 24, 2017Lionhead Range, 2017-02-21Access other image sizes:Very Large 1200pxLarge 480pxMedium 220pxSmall 150pxOriginal