1The highest point of a mountain or structure; the summit or peak. Can also be used figuratively for the pinnacle of something.
朝早く出発して山の頂上に着いた。
We left early in the morning and reached the mountain summit.
登山家たちはついに頂上に立った。
The climbers finally stood at the summit.
頂上からの景色は素晴らしかった。
The view from the summit was wonderful.