Snowboarding by itself is a fun and safe sport which is basically a cross between skiing and skateboarding. Using a single large snowboard, enthusiasts rush down slopes through the snow. The feel and balance is quite different from regular skiing since navigation through the snow is achieved on only a single board, and unlike skateboarding, snowboarders let gravity do all the work of propulsion for them as they slide down the slopes.
Naturally, once snowboarding caught on in popularity, it was only a matter of time before the most highly skilled practitioners decided to tackle harder and harder slopes, finding ones with more dangerous terrain, or natural formations that allowed for stunts like turnpipes in skateboarding.
Thus was born extreme snowboarding. Extreme snowboarding involves extremely tough slopes set at 45 degree angles or less, making runs down these slopes extremely fast and difficult to control. Unlike gentle civilian snowboarding slopes, extreme slopes will also usually have outcroppings of rock jutting out from the snow as part of the challenge.
This is not a fact to be taken lightly, and not a sport to be taken by amateurs. Given the...