Every July, the Kumano Nachi Taisha Grand Shrine holds the Nachi Fire Festival, one of Japan's top three of its kind. The event involves transporting gods home to Nachi Waterfall on portable shrines.
From Shingu, there are regular bus and train connections down the coast to Kii-Katsuura, where you can take another bus (25 minutes) to the third of the grand shrines, Kumano Nachi Taisha Grand ...