treeline
🇺🇸
/ˈtriːlaɪn/
🇬🇧
/ˈtriːlaɪn/
The highest point on a mountain above which trees do not grow.
The cabin is just below the treeline, where the forest starts to thin out.
小屋は樹木線のすぐ下にあり、そこから森が薄くなり始めます。