Following Ryōi's opening of the Hozu-gawa, trade along the waterway exploded.
It was not until 1895 that reliance on the river diminished with the opening of the JR Sanin Train Line. By 1945 construction of new roads finally ended the rafting of logs downstream.

With their livelihoods lost, boatsmen struck upon the idea of offering rides to visitors.
Since the late 19thC tours down the river had become fashionable amongst the wealthier classes. In 1895 the current Hozugawa Kudari took shape.