Ōmori (Tokyo)

History

Ōmori Station opened on 12 June 1876 — four years after the original Shinbashi–Yokohama line — as one of the early additions to government railways. Originally a maintenance hut for track-watchers, the structure was converted into a station when its operational role lapsed. The line was double-tracked toward Kawasaki on 1 March 1879 and toward Shinagawa on 14 November 1880. Once Keihin commuter electric service began on 20 December 1914 the platform became electric-only, and the long-trains used the through tracks only as pass-throughs by 1930; the remaining intercity-line platform was finally demolished by 1984. The new station building opened in July 1984 and the Atré Ōmori commercial complex on 14 September 1984. JR East assumed operation on 1 April 1987. Station number JK 18 sits on the Keihin-Tōhoku Line.

History summarized from Japanese & English Wikipedia · last reviewed 2026-05-18.

Notes

In 1877, American zoologist Edward S. Morse spotted the Ōmori Shell Mounds from the train window just after departing this station — the discovery is considered the birthplace of Japanese archaeology, commemorated by a monument on the platform installed in September 1977.