At Shin-Fujiwara Station it connects with the Yagan Railway Aizu Kinugawa Line.

The line runs surcharged, reserved-seat limited express services from and to Asakusa and Shinjuku in Tokyo.

The whole line is electrified at 1,500 V DC, but it is single tracked except for a 0.8 km (0.50 mi) double-tracked section at Kinugawa-Onsen Station.

[3] A new station, called Tobu World Square Station, opened between Kosagoe and Kinugawa-Onsen on 22 July 2017 to serve the nearby Tobu World Square theme park.

[4] Tobu has leased former JNR Class C11 steam locomotive C11 207 from JR Hokkaido for use on the 12.4 km section of the Kinugawa Line between Shimo-Imaichi and Kinugawa-Onsen stations from 10 August 2017.