The avalanche broke at the ground when it was triggered by a cornice fall. It broke 3-6' deep and 300' wide. Photo: GNFAC Location Lulu Pass Advisory Year 19-20 Avalanche Details: Natural avalanche north of Lulu Pass, Cooke CityCooke City, 2020-01-20Access other image sizes:Very Large 1200pxLarge 480pxMedium 220pxSmall 150pxOriginal