The remains of a ritual site, earthenware artifacts dating from the latter part of the Yayoi period to the first part of the Kofun period and comma-shaped jewelry beads have also been excavated within the shrine precinct and are all cultural properties designated by Kyoto Prefecture (the remains of Omiyame-jinja Shrine).
また境内そのものも祭祀遺跡であり、弥生時代後期から古墳時代前期にかけての土器や勾玉が出土しており府の指定文化財となっている（大宮売神社遺跡）。