dry ski slope

US /ˌdraɪ skiː ˈsloʊp/
UK /ˌdraɪ skiː ˈsloʊp/
"dry ski slope" picture
1.

a slope covered with a synthetic material that allows people to ski on it when there is no snow

:
We practiced our turns on the dry ski slope before heading to the mountains.
Many beginners start learning to ski on a dry ski slope.