Shizu no iwaya has its origin in a folklore in the myth of the development of the land by Okuninushi no Mikoto and Sukunahikona no Mikoto, and the place was depicted in a Oishi no Suguri no Mahito's poem in Manyoshu (Volume 3-355) "Onamuchi and Sukunahiko lived in Shizu no iwaya; how many generations that have been passed by?"
志都乃石室（しづのいわや）は神話の大国主命と少彦名命の国造り伝承に由来し、万葉集（巻3-355）に収められている生石村主真人（おいしのすぐりのまひと）の「大汝少彦名乃将座志都乃石室者幾代将経（おほなむちすくなひこのいましけむしつのいわやはいくよへにけむ）」に詠まれた地。