In Tokuyama Mura, Ibi Gun, Gifu Prefecture (the present Ibigawa Cho), a sound like a drum, called "Tengu's drum," heard from the mountain, is considered a sign of impending rain.
岐阜県揖斐郡徳山村(岐阜県)（現・揖斐川町）では「天狗太鼓」といって、山から太鼓のような音が聞こえると雨の降る前兆だという。