is a private railway company based in Nagano, Nagano Prefecture, Japan. The company and its line are commonly referred to as . It originally operated three lines, but only the Nagano Line between Nagano — Suzaka — Shinshà «-Nakano — Yudanaka remains in service. Nagaden owns a 1.1% stake in Shinano Railway.
The Nagano Line connects Nagano Station in Nagano with Yudanaka Station in Yamanouchi.
In addition to local travel, the line provides access for tourists and visitors to sites including Obuse, Shiga Kogen Ski Resort, Jigokudani Monkey Park (Snow Monkey Park) and onsens/hot springs at Yudanaka [<nowiki/>].
Local services from operate to , and , stopping at every station. Passengers travelling further than Shinshà «-Nakano are generally required to transfer to a connecting train at Shinshà «-Nakano.
Limited Express trains Snow Monkey and Yukemuri operate multiple services every day between Nagano and Yudanaka. On Saturdays, Sundays and public holidays, one round trip of Yukemuri operates as Yukemuri ~Leisurely Train~ which slows down or stops at multiple scenic locations along the line.
Numerous "Event trains" operate on the Nagano Line. Kita-Shinano Wine Valley Train and Shinshu Local Sake Train operate throughout the year. Nagaden Wine Train, Nagaden Beer Train and Nagaden Japan Sake Train operate on specified days.
All stations are in Nagano Prefecture.
The original Nagano Electric Railway was built in 1926, connecting Gondà  in Nagano with Suzaka, and electrified at 1,500 V DC. Later that year, the company absorbed the operations of Katà  Railway, which operated a line on the east bank of the Chikuma River from Yashiro via Suzaka to Kijima, with the Gongo to Yoshida section being double-tracked. The following year, an additional line was constructed from Shinshà «-Nakano to Yudanaka, and in 1928, the line was extended to Nagano Station as dual track.
The Yoshida - Asahi section was double-tracked in 1956, and freight services ceased in 1979. CTC signalling was commissioned between Yudanaka and Asahi in 1980, and extended to Nagano in 1984. The section from Nagano to Zenkà Âjishita was converted to an underground railway in 1981.
This article incorporates material from the corresponding article in the Japanese Wikipedia.