Koumi line
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 Diesel multiple unit KiHa E200 on the Koumi line 
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| Route length: | 78.9 km | 
| Gauge : | 1067 mm ( cape track ) | 
The Koumi Line ( Japanese 小 海 線 , Koumi-sen ) is a Japanese railway line that runs between Kobuchizawa in Yamanashi Prefecture and Komoro in Nagano Prefecture and is operated by the East Japan Railway Company (JR East).
Data
- Length: 78.9 km
 - Track width: 1067 mm
 - Number of stations: 31
 
Web links
Commons : Koumi Line  - collection of images, videos and audio files