Yamaguchi is home to 280 named mountains. The highest is Mt. Jakuchi at 1,338 m.
There are 280 named mountains in Yamaguchi Prefecture. Mt. Jakuchi is the highest point. The most prominent mountain is Otōto Miyama.

Yes. Yamaguchi has 280 named mountains. The highest is Mt. Jakuchi at 1,338 m.
The highest mountain in Yamaguchi is Mt. Jakuchi, at 1,338 m.
Yamaguchi has 280 named mountains.
