~ 30 °

Low

Descents: 500 vertical meters or less, open terrain.

Easy

Good view from ski lifts, easy to find and select route starting point easy to find; finish point on the groomers.

None

Good gathering points and no danger of falling over rocky terrain.

~ 35 °

Medium

Descents: 1000 vertical meters or less; some tight terrain.

Moderately difficult

Some parts of the route can't be seen, route finding and selection more difficult, starting point more difficult to find, finish point on the groomers.

Low

Some bad gathering points; some rocky terrain, but lots of room in case of crash.

~ 35 ° - 40 °

High

Descents: 1000 vertical meters or more, often steep and tight terrain, you should be able to ski/ride difficult snow conditions.

Difficult

Route can't be viewed, experienced route finding and selection necessary, starting point more difficult to find, finish point often further away from groomers.

High

Often bad gathering points, rocky terrain, not so much room in case of crash.

> 40 °

Very High

Descents: 2000 vertical meters or less, often steep and tight terrain (with no fall zones), you should be able to ski/ride difficult snow conditions.

Very Difficult

Route can't be viewed, very experienced route finding and selection necessary, starting point difficult to find, finish point far away from groomers / in another valley.

Partly "no fall zone"

Exposed gathering points, rocky terrain, crashing can result in serious injury.