Taishō

Nagao Hachiman Shrine Torii on Suo-Oshima, Yamaguchi: a stone myojin torii of 1915, 6.9 metres high, with curved lintels and a carved plaque bearing the shrine name.

Nagao Hachiman Shrine Worship Hall on Suo-Oshima, Yamaguchi: a hip-and-gable hall of 1916 whose karahafu porch is crowded with openwork and fully carved figures.

Nagao Hachiman Shrine Waiting Hall on Suo-Oshima: a 1916 tiled hall north of the middle hall, with an alcove room, linked to the middle hall by a covered passage.

Nagao Hachiman Shrine Main Hall on Suo-Oshima: a three-bay nagare-style hall of 1916 with a bark roof, three-step brackets and fine carvings by local carpenters.

The Nakano Family Residence Tea House in Nagato is a late Taisho four-and-a-half-mat tea room registered as a model of design, with a flame-headed window.

The Nakano Family Residence Storehouse in Shimonoseki is a small two-storey Taisho-era storehouse with a gabled tile roof, the white accent of a thatched farmstead.

The Nakano Family Residence Annex in Nagato is a late Taisho guest wing with a three-storey clapboard lookout tower added around 1929 and a fan-shaped ceiling.

The Nakano Family Residence Gate and Wall in Nagato is a late Taisho yakuimon gate with a 36-metre tiled wall on a stone base, lining a side lane of the compound.

Timber Western-style station of 1925 in Hagi, Yamaguchi, with a porch, restored in 1998; now a free museum on Hagi and the railway pioneer Inoue Masaru.

Brick office of 1926, the Shimonoseki branch of Toyo Whaling on a headland over the Kanmon Strait, with geometric capitals; it recalls the city's whaling past.

The Momoyama Water Metering Room in Ube, Yamaguchi, a small octagonal brick house of 1924, is known locally as the hexagon hall and once wore a pyramid roof.

Registered in 2024, the 1921 banquet hall of Ryotei Takadai in Hagi opens to about one hundred tatami mats with no pillar, spanned by a hidden Western truss.

Late Taisho work registered in 2024, the entrance of Ryotei Takadai in Hagi carries a carved strut above its beam, and a tatami corridor runs on to the banquet hall.

Sabo dam begun in 1916 on the Midai River in Minami-Alps, Yamanashi, Japan's first built with cement, later raised with an arch on its gravity base; 22.6 m high.

Stone outlet of 1918 in Fujiyoshida, Yamanashi, where a hydro waterway from Lake Kawaguchi leaves a tunnel and runs downhill in an open channel to a power station.

The stone upper mouth, built in 1913, of the Katayama Tunnel that sent treated water from Kofu's Hirase plant to the city: an iron-doored portal 4.6 metres wide.

The town-side mouth of Kofu's Katayama Tunnel, completed in 1913: a plain stone portal with an arched iron door, a nameplate above and an iron main inside the rock.

A 1913 stone portal, 14.4 metres wide, where the Arakawa intake conduit entered the Hirase plant; the only one of six Hirase sites registered as a model of design.

A tiny round concrete well house of 1913 at Kofu's Hirase plant, where a valve set the pace of filtration; a pedimented door bears an inscription read right to left.

A 1913 granite gate at the head of the tunnel that carried Arakawa River water to Kofu's Hirase plant, with a four-character tablet and edokiri-style masonry.