Three beautifully decorated yamakasa floats parade through the streets to pray for large catches of fish, good harvests, and business prosperity. The yamakasas are 15 m high and weigh five tons, the largest in Japan.

Event Dates	Weekend immediately after Marine Day every year
Event Details	Saturday, July 25, and Sunday, July 26, 2026
Official site	http://www.hamasaki-gionsai.sakura.ne.jp/
Location (venue)	Around Suwa Shrine
Address	Hamasaki, Hamatama-machi, Karatsu-shi, Saga

Region	Kyushu
Category	Shrines and temples, Processions and parades

Event organizers may change the date and time. Please check the official website.

update: May.20.2026