Yagan Railway Co., Ltd. (野岩鉄道株式会社, Yagan Tetsudō Kabushiki-gaisha) is a Japanese third-sector railway running between Tochigi and Fukushima prefectures. It operates a single railway line, the Aizu Kinugawa Line (会津鬼怒川線, Aizu Kinugawa-sen).

The name of the line comes from the kanji characters of the ancient provinces of Shimotsuke (下野; now Tochigi Prefecture) and Iwashiro (岩代; now Fukushima Prefecture). The company's major shareholders include the two prefectural governments.

The Aizu Kinugawa Line (会津鬼怒川線, Aizu Kinugawa-sen) is a 30.7 kilometre railway line from Shin-Fujiwara Station in Nikkō, Tochigi to Aizukōgen-Ozeguchi Station, Minamiaizu, Fukushima.

The name of the line comes from the Aizu area (at the northern end of the line) and the Kinugawa Onsen hot spring resort area (at the southern end). Its nickname is the Hot Spa. Line (ほっとスパ・ライン, Hotto Supa Rain; lit. 'Relaxing Spa Line').

• Limited Express Revaty Aizu (リバティ会津) is a Limited Express service operated by Tobu Railway.
• Aizu Mount Express (Aizuマウントエクスプレス) is a rapid train operated by Aizu Railway.
• Ozatoro Tenbo Ressha Yu-Meguri (お座トロ展望列車 湯めぐり号) is a sightseeing train operated by Aizu Railway.

• Yagan Railway owns two 2-car sets of Tobu 6050 series EMU for use on Local services
• Tobu Railway operates Tobu 500 series Tobu 500 series "Revaty" EMU on Revaty Aizu services
• Aizu Railway owned DMU trains[ja] operate through services to/from Aizu Line

The construction began as a part of the Japan Railway Construction Corporation. It was taken over by Yagan Railway.

• 9 October 1986: Starts operations.^[1]
• 12 October 1990: Direct service onto Aizu-Tajima Station on Aizu Railway Aizu Line begins.
• 18 March 2006: The nickname Hot Spa. Line debuts.

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

• Official website (in Japanese)