Ishinomaki Line

The Ishinomaki Line (石巻線, Ishinomaki-sen) is a railway line in Miyagi Prefecture, Japan, operated by East Japan Railway Company (JR East). It connects Kogota Station in Misato with Onagawa Station in Onagawa, acting as a spur line from the Tōhoku Main Line to the central coast of Miyagi Prefecture. It connects with the Rikuu East Line and Tōhoku Main Line at Kogota Station, the Kesennuma Line at Maeyachi Station, and the Senseki Line at Ishinomaki Station, both in Ishinomaki, Miyagi. The line was damaged by the 2011 Tōhoku earthquake and tsunami, and the damage was so severe that service between Urashuku Station and Onagawa Station was not reinstated until 21 March 2015.

Ishinomaki Line
KiHa 48 DMU on a local train, November 2014
Native name石巻線
TypeRegional rail
LocaleMiyagi Prefecture
OwnerJR East
Line length44.9 km (27.9 mi)
Track gauge1,067 mm (3 ft 6 in)
Route map
0.0 Kogota
3.5 Kami-Wakuya
6.2 Wakuya
12.8 Maeyachi
17.1 Kakeyama
21.2 Kanomata
23.7 Sobanokami
27.9 Ishinomaki
30.9 Rikuzen-Inai
Owada Tunnel
35.9 Watanoha
38.3 Sawada
Onagawa Tunnel
44.7 Onagawa
44.9 Onagawa
(1) -2015
46.3 Onagawa Minato

Station list

Station name Japanese Distance Transfers Location
Kogota 小牛田 0.0 Tōhoku Main Line, Rikuu East Line Misato, Miyagi
Kami-Wakuya 上涌谷 3.5 Wakuya, Miyagi
Wakuya 涌谷 6.2
Maeyachi 前谷地 12.8 Kesennuma Line Ishinomaki, Miyagi
Kakeyama 佳景山 17.1
Kanomata 鹿又 21.2
Sobanokami 曽波神 23.7
Ishinomaki 石巻 27.9 Senseki Line
Rikuzen-Inai 陸前稲井 30.9
Watanoha 渡波 35.9
Mangoku-Ura 万石浦 37.0
Sawada 沢田 38.3
Urashuku 浦宿 42.4 Onagawa, Miyagi
Onagawa 女川 44.9


The Senpoku Light Railway opened a 762 mm (2 ft 6 in) gauge line from Kogata to Ishinomaki in 1912. The line was nationalised in 1919 and converted to 1,067 mm (3 ft 6 in) gauge in 1920. The Oshika Light Railway opened a 762 mm gauge horse-drawn tramway from Ishinomaki to Watanoha in 1915, and extended it to Onagawa in 1924. A petrol-driven locomotive was introduced in 1926. The line was nationalised in 1939 and converted to 1,067 mm gauge the same year.

In 1958, the line was extended 1.4 km to the Onagawa Port, but that extension closed in 1980.

The line was severely damaged by the 2011 Tōhoku earthquake and tsunami on 11 March 2011; the Kogata - Ishinomaki section being out of service for two months, the Ishinomaki - Watanoha section for a year, and the Watanoha - Urushuku section for two years. The final section from Urushuku to Onagawa reopened on 21 March 2015.[1]

See also


This article incorporates material from the corresponding article in the Japanese Wikipedia.

  1. 2015年3月ダイヤ改正について [March 2015 timetable revision details] (PDF). News release (in Japanese). Japan: East Japan Railway Company. 19 December 2014. p. 9. Retrieved 19 December 2014.
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