Mt. Tado, which is at the southern tip of the Yoro Mountains, must have been a good mountain for predicting the weather because, of the mountains to the north of Ise Bay, it is the closest to the bay and changes in the weather, such as fog on the mountain, can easily be seen.
養老山地の南端に位置する多度山は伊勢湾北部周辺の山としてはもっとも伊勢湾から近く、山にかかる霧などの様子から天候の変化の予測に適した山だったのであろう。