Higashi-ojima Station is a railway station in Kōtō, Ojima, Tokyo, Japan. Its station number is S-16 and is served by the Toei Shinjuku Line. The station opened on December 21, 1978. It is a station in

The Arakawa River or Ara River is a 173-kilometre long river that flows through Saitama Prefecture and Tokyo. Its average flow in 2002 was 30 m3/s.