The Cassiopeia (カシオペア?) is a luxury overnight limited express train service in Japan operated by East Japan Railway Company (JR East). It runs between Ueno Station in Tokyo and the city of Sapporo in the northern island of Hokkaido. The one-way journey lasts approximately 16½ hours.
Going from Ueno to Sapporo, trains call at Ōmiya, Utsunomiya, Kōriyama, Fukushima, Sendai, Ichinoseki, and Morioka. The first stop in Hokkaido is at Hakodate between 04:00 and 04:30 the following day, with arrival in Sapporo just before nine.
On the return trip from Sapporo, the first stop after leaving Hokkaido is at Sendai, around 04:30 the following day. The arrival time at Ueno station is around 09:30.
Trains depart three times per week, with more departures during holiday periods.
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