History
Toyono Station opened on 1 May 1888 with the extension of the railway between Sekiyama and Nagano, in what is today the city of Nagano. It became a junction in 1921 when the Iiyama Railway opened its line between Toyono and Iiyama, and that line was nationalised in 1944. With the privatisation of the JNR on 1 April 1987 the station came under JR East, and a new elevated station building entered service on 27 February 2008. From 14 March 2015, with the Hokuriku Shinkansen extension to Kanazawa, the parallel Shinetsu Main Line was transferred to the third-sector Shinano Railway as the Kita-Shinano Line, making Toyono a joint JR East and Shinano Railway station.
History summarized from Japanese & English Wikipedia · last reviewed 2026-06-09.
Where the English and Japanese sources differ, this account follows the Japanese source.
Notes
Toyono is in a flood-prone basin where the Asakawa, Toriigawa and Chikuma rivers converge — a 1700s memorial to drowning victims of the Inu-no-Manmizu flood still stands in front of the station.