The is a local rail line in Gunma, Japan, and is part of the East Japan Railway Company (JR East) network. Approximately following the Agatsuma River, it is 55.6 km between and stations.
Operations
Although the official start of the line is at Shibukawa, all trains run through on the Jōetsu Line to/from either or .
Local trains run approximately once every hour, terminating at either or . trains operate between in Tokyo and on the Agatsuma Line, stopping only at and . Depending on the day of the week, between 2 and 4 round trips operate each day, operating towards Naganohara-Kusatsuguchi in the morning, and towards Ueno in the afternoon.
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File:JNR 211-3000 02.JPG|A 211-3000 series EMU
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History
The line opened on 2 January 1945 as the freight-only operating between and (present-day Naganohara-Kusatsuguchi Station). Passenger services were introduced as far as from 5 August 1945, to from 20 November 1945, and to Naganohara-Kusatsuguchi from 20 April 1946. The new alignment opened for passenger services on 1 October 2014.
Points of interest
The Agatsuma Line is noted for numerous onsen hot springs along the route. The famous hot springs at Kusatsu are some distance north of the line, but several rural onsen such as those at Shima, Sawatari, Kawarayu, and Shiriyaki are more accessible.
Mount Asama, Mount Kusatsu-Shirane, and the Agatsuma Canyon can all be seen from the Agatsuma Line, though the canyon will be inundated when the Yamba Dam is commissioned.