This Northern Kyushu pass is a Great deal to travel within the Kyushu area. The pass is only for foreign visitors who have been given an entry permission with a short-term stay stamp.

You can use it for unlimited rides between Hakata and Kumamoto.

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You can ride the Kyushu Shinkansen for an unlimited amount, however, it cannot be used to ride the Sanyo Shinkansen, which includes the portion between Hakata and Kokura. 
*The number of seat reservations is limited to: 6 times for the Northern Kyushu Pass.