 It is notable for its giant ginkgo tree, suspected to be 600 years old and designated a Natural Monument in 1939, and for its annual festival (held in August), which includes a mikoshi parade and a performance of dengaku dance.It is one of the , of which it has been designated as the "northern protector shrine".The exact date in which the Oji Shrine was founded is not known, but according to a stone with inscriptions (designated a Tangible Cultural Property of Tokyo) still standing beside the ginkgo tree, near the shrine precincts, Toyoshima contributed to found the shrine between 1321 and 1324.