After getting off the Meishin Expressway at Kyoto-Minami Interchange, drive about 10 km using National Route 1, then National Route 9, and the following Kyoto Prefectural Route 29 will bring you to the hot spring.
名神高速道路京都南インターチェンジから国道1号、国道9号、府道29号、で約10Km