Piste

A piste (/piːst/) is a marked ski run or path down a mountain for snow skiing, snowboarding, or other mountain sports.

This European term is French ("trail", "track") and synonymous with 'trail', 'slope', or 'run' in North America. The word is pronounced using a long "e" sound so that it rhymes with "beast".

North Americans employ its common European antonym, 'off piste', to describe backcountry skiing, especially when referring to skiing outside officially approved areas of a ski resort.^{[citation needed]}

Pistes are not naturally occurring features, and must be created through human means. This can be done by "clearing" (removing the trees only) or by "grading" (clearing followed by reshaping of the surface by machines like graders).

Pistes are usually maintained using tracked vehicles known as snowcats to compact or "groom" the snow to even out trail conditions, remove moguls, and redistribute snow to extend the ski season. Natural snow is often augmented with snow making machines and snow reserves, early in the season or when the snowpack is low, and to ensure the snow lasts throughout the season.

Typically, classification is done by the resort, and ratings are relative to other trails within that resort. As such, they are not classified to an independent standard; although they are likely to be roughly similar, skiers should be cautious about assuming that ratings in two different resorts are absolutely equivalent.

In Europe, pistes are classified by a color-coded system. The actual color system differs in parts for each country, although in all countries blue (easy), red (intermediate) and black (expert) are used. Shapes are often not used, sometimes all ratings are circles as being defined in the basic rules of the German Skiing Association DSV. The three basic color codes of the DSV have been integrated into the national standards DIN 32912 in Germany and ÖNORM S 4610 f in Austria.

In Scandinavia, a similar system is used with the addition of shapes, simplifying the identification of snow covered signs (see table below).