What the Nagayamon Gate Is

The Yamada Family Residence Nagayamon Gate (山田家住宅長屋門, Yamada-ke Jūtaku Nagayamon) is a late Edo-period Nagayamon gatehouse standing inside the front gate of the Yamada estate in Shinge, Sennan City, Osaka Prefecture, registered in 2002 as a Registered Tangible Cultural Property. It is the inner of the estate's two gates.

It is a single-storey timber building under a gabled roof of hongawarabuki tiles, with a building area of 148 square meters. Its frontage reaches about 30 meters, nearly the full width of the plot, and its passage opens toward the east end to line up with the front gate.

Of the eight registered buildings, the Yamada Family Residence Nagayamon Gate has the largest footprint, larger even than the 119 square meters of the main house.

The Long Roof That Defines the Estate

The gatehouse was registered for its contribution to the historic landscape. The Agency for Cultural Affairs commentary says its long roof gives the headman's estate its character. Step through the front gate and a line of heavy tiles fills your view from side to side, a wall between the lane and the forecourt as much as a roof.

Together with the front gate, it forms a double entrance. The outer gate separates the estate from the lane; the inner one closes off the forecourt. A headman's house was the village office and the place where tax rice arrived, and control over who came and went needed to be visible.

What to Look For

The 30-meter length is best felt standing in front of it. The eaves run from one edge of your view to the other, with barred windows set beneath them. Osaka Cultural Properties Navi describes these as yoriki-mado with thick horizontal bars.

Walk through and turn round from the forecourt. The Yamada Family Residence Nagayamon Gate forms the entire south side of the forecourt, with the rice storehouse to the right and the main house ahead.

Visiting the Nagayamon Gate

On public open days, visitors enter the forecourt through the Yamada Family Residence Nagayamon Gate. Its rooms are sometimes used for exhibitions, and on those days you can see inside.

Sennan City says cars can park beside the Nagayamon. To take in its full length, stand just inside the front gate and look east and west. Directions and opening days are covered on the Yamada Family Residence page.

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Q&A

QWhen was the Yamada Family Residence Nagayamon Gate built?
AIt is attributed to the late Edo period.
QHow big is the Yamada Family Residence Nagayamon Gate?
AAbout 30 meters wide, nearly the full width of the plot, with a building area of 148 square meters.
QHow does the Yamada Family Residence Nagayamon Gate relate to the front gate?
AThe front gate is the outer gate and the Nagayamon the inner one; together they form a double entrance aligned on one axis.
QCan I go inside the Yamada Family Residence Nagayamon Gate?
AIts rooms open when used for exhibitions. On public open days, usually the 4th Sunday of the month except December, you pass through it into the forecourt.
QIs there parking near the Yamada Family Residence Nagayamon Gate?
ASennan City says cars can park beside it, though the approach lane is narrow.

Basic Information

NameYamada Family Residence Nagayamon Gate
Location3148-1 Shinge, Sennan City, Osaka Prefecture
DesignationRegistered Tangible Cultural Property (Building)
Year DesignatedRegistered 2002/06/25 (Heisei 14)
Quantity1 building
DimensionsTimber, single storey, tiled roof; frontage about 30 meters; building area 148 square meters
OwnerPrivate owner
Public AccessViewable on public open days only (usually the 4th Sunday of the month); a private home

References

Yamada Family Residence Nagayamon Gate (Database of National Cultural Properties)
https://kunishitei.bunka.go.jp/bsys/maindetails/101/00002806
Yamada Family Residence Front Gate (Database of National Cultural Properties)
https://kunishitei.bunka.go.jp/bsys/maindetails/101/00002805
Yamada Family Residence (Sennan City)
https://www.city.sennan.lg.jp/kanko/bunka/maizou/bunkazai/kenzoubutu/1458795154641.html
News from the Sennan City Archaeological Center (Sennan City)
https://www.city.sennan.lg.jp/kakuka/kyouiku/shogaigakushu/shogaigakushusuishin/bunkazaihogo_1/maibunn/1455020583702.html
Yamada Family Residence (Osaka Cultural Properties Navi)
https://osaka-bunkazainavi.org/bunkazai/%e5%b1%b1%e7%94%b0%e5%ae%b6%e4%bd%8f%e5%ae%85%e4%b8%bb%e5%b1%8b%e7%8e%84%e9%96%a2%e6%a3%9f

Last verified: 2026.09.26