Registered Tangible Cultural Properties of Japan

The Omori Family Residence Nagayamon Gate in Makabe, Ibaraki, is a small early Taisho gatehouse with doubled degeta eaves, registered in 2004 and seen from the lane.

The Owada Family Rental Store in Ishioka, Ibaraki, is a timber shopfront of about 1930 built to be let out, with a central column dividing it into two shop units.

Okujun Ichi-no-kura in Yuki, Ibaraki, is a Meiji-era timber townhouse registered in 2006. Its plastered walls and restored open shopfront anchor the Omachi street.

Okujun Tenpo in Yuki, Ibaraki, is an early Taisho shop clad in copper sheeting, registered in 2005. It is still the buying floor where the house trades tsumugi silk.

Okujun Dozo in Yuki, Ibaraki, is an 1904 earthen storehouse registered in 2005. Its thick plastered walls hold the steady humidity that Yuki-tsumugi silk needs.

Okujun Hanare in Yuki, Ibaraki, is an 1886 annexe registered in 2005. Its formal eight-mat room facing an inner garden still hosts talks between silk wholesalers.

Okujun Misegura in Yuki, Ibaraki, is an earthen-walled shop of 1886 whose ridge tag records the exact day its frame was raised. It was registered in 2005.

Okusho Store and Main House in Yuki, Ibaraki, is a timber merchant house of 1935 that glazed its entire frontage yet kept the deep eaves of an older shop.

Ogura Shoten Store and Main House stands among the earthen-walled shops of Yuki City, a timber townhouse of the early Meiji era showing its posts and beams outside.

A 1925 gravity concrete weir 20 metres long on the Satokawa, the Ozatogawa Power Plant Water Intake Station has a fish ladder and sluice gates and feeds the plant.

The Ozatogawa Power Plant Tailrace of 1925 returns water to the Satokawa along 142 metres of open channel, its dry stone walls crossed by 3 concrete arch bridges.

A 1925 reinforced concrete powerhouse on the Satokawa in Hitachiota, Ibaraki, the Ozatogawa Power Plant Main Building covers 186 square metres and still generates.

The Ozatogawa Power Plant Spillway of 1925 carries surplus water from the head tank down the hillside to the Satokawa, 281 metres in all, mostly as open channel.

Ozawa Family Residence Front Gate in Miho Village, Ibaraki, is a mid-Meiji yakuimon gate 2.7 meters wide with wing walls, registered in 2009 and closed to visitors.

Ozawa Family Residence Rice Storehouse in Miho Village, Ibaraki, is a plastered granary of 1871, 6.8 by 3.9 meters, registered in 2009 and closed to visitors.

Ozawa Family Residence Main House in Miho Village, Ibaraki, is a mid-Meiji thatched farmhouse of 168 square meters, registered in 2009 and closed to visitors.

A 1937 wooden town hall in Kasama, Ibaraki, with a wide carriage porch and an Oya-stone archive; now the free Kasama City Museum of History and Folklore.

The 1919 intake of the Gami power station on the Sato River in Hitachiota, Ibaraki: a stone-faced weir with an arched crest, two sluice gates and a settling basin.

The 1919 outfall and spillway of the Gami power station in Hitachiota, Ibaraki: 299 m of finely stone-lined channels with an arched concrete service bridge.

The 1919 timber powerhouse of the Gami hydroelectric station in Hitachiota, Ibaraki, with clapboard walls, a clerestory and Pratt-truss roof; still in use.