Yamaguchi International Trade & Cultural Center or is a complex facility located in Shimonoseki, Yamaguchi Prefecture, Japan. This building consists of Kaikyà  Yume Tower and the International Trade Building.
The dominates the city of Shimonoseki and is the tallest tower in western Japan. Standing 153 metres tall, it was opened in July 1996. It forms a part of the Kaikyà  Messe Shimonoseki building, which houses a conference centre and corporate offices.
The tower was designed by NTT Power and Building Facilities and built by Takenaka Corporation.
Upon paying an admission fee, tourists can visit an observation deck in the glass sphere at the top of the building for panoramic views over the city and the Kanmon Straits.
The address of the tower is 3-3-1 Buzenda-cho, Shimonoseki, Yamaguchi, 750-0018