Avalanches are falling mass of snow and/or ice; a mass-wasting process and analogous to debris flows or mudslides. It is a natural hazard – threat to life and property also an expression of earth system complexity. Snow Avalanches is an avalanche is a rapid flow of snow down a hill or mountainside. Although avalanches can occur on any slope given the right conditions, certain times of the year and certain locations are naturally more dangerous than others.