The 博多祇園山笠 is a traditional festival held annually in Hakata, Fukuoka, Japan. It takes place in July and features elaborate floats called yamakasa, which are carried through the streets by teams of men. The festival celebrates the local deity and is known for its vibrant atmosphere and community participation. During the festival, the yamakasa floats are decorated with colorful tapestries and symbols. The event culminates in a race, where teams compete to carry their floats through the city in a display of strength and teamwork. The Hakata Gion Yamakasa is recognized as an important cultural heritage event in Japan.