Koyasu Shrine is under the jurisdiction of Naiku and enshrines Konohanasakuya Hime no Mikoto.It is said that it was originally a native god of Ujitachicho, and is revered by the locals as a god of safe delivery and childbirth.In the inner shrine area, heading east from Ujibashi Higashizume, there is a guard station, which is enshrined alongside Oyamazumi Shrine near the watch station.As a god of childbirth, childbirth, and warding off evil, many people come to pray for childbirth.
| January-April | 5:00-18:00 |
| May-August | 5:00-19:00 |
| September | 5:00-18:00 |
| October-December | 5:00-17:00 |
