Introduction to Arima Hot Spring: Arima Hot Spring is the oldest hot spring in the Kansai region. Arima Hot Spring is one of the three major hot springs in Japan. It is a hot spring area with a history of 1,300 years. It is said to have been founded by Buddhist monks in the 8th century. put up. Surrounded by mountains on three sides, you can enjoy cherry blossoms in spring and maple leaves in autumn. Coupled with the famous hot springs, this place is quite popular among tourists.