noun / adjective
highland
HIGH-luhnd/hˈaɪlʌnd/
High or mountainous land.
Cool winds sweep across the highlands throughout the summer.

Etymology
The combination of “high” and “land” already meant “mountainous country” in Old English. It describes an elevated tract of terrain rather than just a single high point.
More examples
- These highland villages are linked by a narrow road.
- The trail climbs from the valley into the highlands.
- Farmers raise sheep on the open highland pastures.
Forms
highland · highlands
highlander noun — A person who lives in mountainous country.