Ikushima Tarushima Shrine - Ikushima Tarushima Shrine

Located in Shimonogo, Ueda City, Nagano Prefecture. The deities enshrined are Ikushima-no-kami and Tarushima-no-kami, and in the Kogoshuui, it is described as "the spirit of Oyashima". The founding date is unknown. It was ranked as a Myojin Taisha in the Engi system. It has been worshiped by feudal lords since ancient times, and during the Tenbun era (1532-1555), the Takeda clan, as well as the feudal lords of Kai (Yamanashi Prefecture), Shinano (Nagano Prefecture), and Kozuke (Gunma Prefecture), renovated the shrine buildings from time to time and offered prayers and oaths to worship it. Currently, 83 of these prayers and oaths are preserved as treasures. Former Kokuhei-chusha. The main hall is located on an island in the middle of a pond, and the inner sanctuary has no floorboards, with the dirt floor serving as a substitute for the deity. The annual festival is held on September 19th. The Shikinen Onbashira Grand Festival is held from April 17th to 19th in the year of the Monkey and Tiger. Also, every year on the night of November 3rd, the deity of the auxiliary shrine Suwa Shrine, which faces the main hall, is moved to the main hall, and an Okomori ritual is held in which porridge is boiled and offered to the deity until April 13th of the following year.

[Moriyasu Jin]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

長野県上田市下之郷(しものごう)に鎮座。祭神は生島神(いくしまのかみ)、足島神(たるしまのかみ)の2座で、『古語拾遺(こごしゅうい)』に「大八洲(おおやしま)の霊」とある。創立年代は未詳。延喜(えんぎ)の制で名神(みょうじん)大社に列した。古くから領主の信仰厚く、天文(てんぶん)年間（1532～1555）、武田氏をはじめ、甲斐(かい)（山梨県）、信濃(しなの)（長野県）、上野(こうずけ)（群馬県）の諸領主がときに応じて社殿を修造し、願文、起請文(きしょうもん)を奉って崇敬した。現在、それらの願文、起請文83通が宝物として保存されている。旧国幣中社。本殿は池中の島にあり、内陣には床板がなく、土間の大地を御霊代(みたましろ)としている。例祭は9月19日。申寅(さるとら)の年の4月17～19日に式年御柱(おんばしら)大祭が斎行される。また毎年11月3日夜、本殿に向かって建つ摂社諏訪(すわ)神社の祭神を本殿に移し、翌年4月13日まで御粥(おかゆ)を煮て奉る御籠(おこもり)神事が行われる。

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