Running from Ushibuka Port to Oniike Port in Kumamoto, this route follows the western coast of Amakusa and is full of sites to see, such as the Sakitsu Church World Heritage Site. Take a boat to the Shimabara Peninsula and relax in the longest foot bath in Japan. This route takes you through abandoned railway tunnels full of greenery on your way to the tourist city of Nagasaki. The evening scenery is also truly outstand.