Among them, the biggest Dashi in Japan is said to be Dekayama (literally, huge mountain) weighing about 20 tons, used at Seihaku-sai festival in Nanao City, Ishikawa Prefecture.
中でも、石川県七尾市の青柏祭の曳山（でか山）は重量約２０トンであり、日本最大とされる。