On the fourth Saturday of each January, the dead grass of Mount Wakakusa is burned in an annual festival known as Yamayaki (山焼き literally mountain burning). The tradition supposedly originated from a boundary dispute between two temples, Tōdai-ji and Kōfuku-ji in 1760. As the mediations failed, the entire mountain was set ablaze. Other explanations suggest the extermination of wild boars or pests as a result. The festival today begins with a ceremonial igniting by members of both temples, followed by a fireworks display. The festival has been postponed due to poor weather in the past.