The Wasshoi summer Festival is a large-scale summer festival to be held around Kokura, Kitakyushu-shi.

The Wasshoi summer Festival is a large-scale summer festival to be held around Kokura, Kitakyushu-shi Castle for 2-3 days in August.

A parade of the civic participation and some events are held during the period of this festival. Approximately 1,500,000 people participate in this festival.

One of the attractions, Summer Festival Collection, is an extensive show of floats that has a history of several hundreds of years.

The finale to this energetic festival is a show of 6,000 fireworks that dazzle the night sky.