Translation guide
A marked ski run or trail at a ski resort, groomed and maintained for skiing and snowboarding.
groomed ski run
Referring to a prepared, marked trail at a ski area
The most common word for a ski slope or ski area, often used for the whole resort's runs. Can refer to a single groomed run or the entire ski area.
This piste is for beginners.
Means 'course' and is used for a specific marked run or trail. Often combined with a difficulty level or name.
Literally 'skiing course', a more formal or technical term for a designated run.
Please do not go off-piste.
ゲレンデ often refers to the whole ski area or a wide slope, while コース is a specific marked trail. In casual conversation, ゲレンデ is more common for 'piste'.
That ski area has many pistes.
The English term 'off-piste' is often translated as コース外 (off-course) or 管理区域外 (outside the managed area). Do not use ピステ directly; it is not a common loanword in Japanese.
The piste is well-groomed and easy to ski on.
上級者向けのコースは急斜面が多い。
The advanced piste has many steep slopes.
Off-piste skiing is prohibited.