Directions: From Tokyo Train Station: Take the Joetsu Shinkansen (bullet train) from Tokyo train station to Jomokogen train station (a 75 minute train ride). Next, take the bus bound for Sarugakyo Onsen (a 40 minute bus ride). When you arrive at the last stop, take another bus (a 15 minute bus ride) or a taxi (a 15 minute taxi ride) for Hoshi Onsen.

From Ueno Train Station: Take Minakami Limited Express train to Gokan train station. From Gokan train station, take the bus bound for Sarugakyo Onsen (a 40 minute bus ride). When you arrive at the last stop, take another bus (a 15 minute bus ride) or a taxi (a 15 minute taxi ride) for Hoshi Onsen.