Registered Tangible Cultural Properties of Gunma

Short tunnel of 1912 on the Watarase Keikoku Railway at Sori in Midori, Gunma, 32 metres long with stone walls, a brick arch and a near-circular section.

Steel girder bridge of 1913 on the Watarase Keikoku Railway between Kiryu and Midori, Gunma, 30 metres long and gently bent, with an abutment rebuilt in 1948.

Steel bridge of 1912 on the Watarase Keikoku Railway in Kiryu, Gunma, 16 metres long, combining two girder types on a 1937 stone pier, close to Mizunuma Station.

Small steel bridge of 1912 on the Watarase Keikoku Railway in Kiryu, Gunma, a 15-foot standard I-beam on finely laid stone abutments just north of Mizunuma Station.

Concrete flume of 1935 on old rails over the Watarase Keikoku Railway at Sori in Midori, Gunma, built to keep weathered granite and rain off the line below.