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Iida Line
The Iida Line (飯田線, Iida-sen) is a Japanese railway line connecting Toyohashi Station in Toyohashi, Aichi with Tatsuno Station in Tatsuno, Nagano, operated by Central Japan Railway Company (JR Central). The line links eastern Aichi Prefecture and southern Nagano Prefecture through northwestern Shizuoka Prefecture. It goes through steep mountains as well as cities such as Iida and Ina. The line was originally of four different private railway lines, the first of which opened in 1897.
The line has an unusually high number of so-called Hikyō stations, or hikyo-eki, which have since lost their nearby communities due to depopulation. There are 94 total stations along the route. A number of these stations have become Hikyō stations over the years. The line has been described as the "holy land for those who love touring hikyo-eki". The phrase was coined in 1999 by Takanobu Ushiyama and friends, for railroad stations that are isolated and little used.
For a distance of 187 km (116 mi) between Toyokawa and Tatsuno the Iida Line does not intersect with any other railway line.
As of January 2026[update], the following train services operate on the Iida Line:
The limited express Inaji (伊那路) operates two round trips per day between Toyohashi and Iida. The rapid Misuzu (みすず) runs one round trip per day between Iida, Tatsuno and Nagano (operating a through service on the Chūō Main Line (Tatsuno Branch), Chūō Main Line, Shinonoi Line & Shin'etsu Main Line).
Local service frequency changes multiple times along the line. From Toyohashi a 15-minute frequency operates as far as Toyokawa, approximately half-hourly as far as Shinshiro and hourly as far as Hon-Nagashino. Between Hon-Nagashino and Tenryūkyō (a mountainous area with few passengers) services operate every 1-3 hours. North of Tenryūkyō services generally operate approximately hourly, with some sections having 30-minute frequencies in peak times. At Tatsuno, almost all trains continue to/from Okaya on the Chūō Main Line (Tatsuno Branch).
Traveling the entire length of the 195.7 km (121.6 mi) line by local train takes over six hours and generally requires changing trains one or more times. There are only two northbound and three southbound trains per day that operate the entire length of the line between Toyohashi and Tatsuno, with all of them continuing to/from Okaya (one of the southbound trains commences at Kami-Suwa).
As of 2025, the Iida Line hosts the longest local train service in Japan - the 14:38 train from Toyohashi arrives at Okaya at 21:37 with a running time of 6 hours 59 minutes (419 minutes) for the 96-station journey.
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Iida Line
The Iida Line (飯田線, Iida-sen) is a Japanese railway line connecting Toyohashi Station in Toyohashi, Aichi with Tatsuno Station in Tatsuno, Nagano, operated by Central Japan Railway Company (JR Central). The line links eastern Aichi Prefecture and southern Nagano Prefecture through northwestern Shizuoka Prefecture. It goes through steep mountains as well as cities such as Iida and Ina. The line was originally of four different private railway lines, the first of which opened in 1897.
The line has an unusually high number of so-called Hikyō stations, or hikyo-eki, which have since lost their nearby communities due to depopulation. There are 94 total stations along the route. A number of these stations have become Hikyō stations over the years. The line has been described as the "holy land for those who love touring hikyo-eki". The phrase was coined in 1999 by Takanobu Ushiyama and friends, for railroad stations that are isolated and little used.
For a distance of 187 km (116 mi) between Toyokawa and Tatsuno the Iida Line does not intersect with any other railway line.
As of January 2026[update], the following train services operate on the Iida Line:
The limited express Inaji (伊那路) operates two round trips per day between Toyohashi and Iida. The rapid Misuzu (みすず) runs one round trip per day between Iida, Tatsuno and Nagano (operating a through service on the Chūō Main Line (Tatsuno Branch), Chūō Main Line, Shinonoi Line & Shin'etsu Main Line).
Local service frequency changes multiple times along the line. From Toyohashi a 15-minute frequency operates as far as Toyokawa, approximately half-hourly as far as Shinshiro and hourly as far as Hon-Nagashino. Between Hon-Nagashino and Tenryūkyō (a mountainous area with few passengers) services operate every 1-3 hours. North of Tenryūkyō services generally operate approximately hourly, with some sections having 30-minute frequencies in peak times. At Tatsuno, almost all trains continue to/from Okaya on the Chūō Main Line (Tatsuno Branch).
Traveling the entire length of the 195.7 km (121.6 mi) line by local train takes over six hours and generally requires changing trains one or more times. There are only two northbound and three southbound trains per day that operate the entire length of the line between Toyohashi and Tatsuno, with all of them continuing to/from Okaya (one of the southbound trains commences at Kami-Suwa).
As of 2025, the Iida Line hosts the longest local train service in Japan - the 14:38 train from Toyohashi arrives at Okaya at 21:37 with a running time of 6 hours 59 minutes (419 minutes) for the 96-station journey.