ピナクル

noun

pinnacle; peak; summit

Refers to the highest point, both literally (e.g., of a mountain or tower) and figuratively (e.g., of a career or achievement).

• 彼かれのキャリアのピナクルは、あの賞しょうを受じゅ賞しょうしたことだ。

  The pinnacle of his career was winning that award.

• その塔とうのピナクルからは街まち全ぜん体たいが見み渡わたせる。

  From the pinnacle of the tower, you can see the whole city.