The "Karatsu Kunchi," held annually from November 2 to 4, is an impressive autumn festival featuring luxurious floats that parade through the town. Attracting hundreds of thousands of visitors, this festival showcases 14 floats weighing 2-3 tons each, moving around the historic Karatsu Shrine.

Highlights of the festival include the illuminated floats on the evening of November 2, the procession at the Otabishyo on the 3rd, and the magnificent parade on the 4th during the following day festival. First-time visitors are advised to enjoy the festivities from wider sidewalk areas to avoid the crowds.