The above-mentioned 'Hi-no-tani' is presumably relevant to Yatsurugi-jinja Shrine, because the place name 'Hi-no-tani' (same pronunciation, but literally meaning 'sun valley') often appears in the story explaining the shrine's founding of Yatsurugi-jinja Shrines nationwide.
各地の八剣神社の創建譚に「日の谷」の地名がよく登場することから関連があるものとみられる。