Fetching details from the dictionary...
big tree
巨木の荘厳さに感動した。
I was deeply moved by the giant tree's grandeur.
巨木は台風で倒れてしまった。
The giant tree was unfortunately toppled by the typhoon.
ガイドは巨木が樹齢千年を超えると説明した。
The guide explained that the giant tree was over a thousand years old.