A Zen-Style Hall of About 1348

The Rengebuji Temple Kotsudo (蓮華峰寺骨堂) is a small Buddhist hall of about 1348 in the precinct of Rengebuji Temple in Kobie, Sado City, Niigata Prefecture, and was designated an Important Cultural Property on September 2, 1989 (Agency for Cultural Affairs).

The Agency records a single-storey hall one bay square with a thatched pyramidal roof; designation number 02225.

Dated by Graffiti

The Rengebuji Temple Kotsudo stands on a rise behind the Kondo (Agency for Cultural Affairs). A piece of graffiti inside bearing the year 1348 shows that it was built at the beginning of the Nanboku-cho period.

Why It Is an Important Cultural Property

According to the Agency for Cultural Affairs, the frame and bracketing of the Rengebuji Temple Kotsudo follow the Zen style in full, and its members are thick throughout. The timber is of good quality, and much of the original material survives.

It is regarded as the oldest surviving building in eastern Japan with authentic Zen-style detail, and it was designated in 1989 (Agency for Cultural Affairs).

What to Look For

It is a tiny one-bay hall under a thatched pyramidal roof (Agency for Cultural Affairs). Small as the Rengebuji Temple Kotsudo is, the thickness of its posts and brackets shows how fully it follows the Zen manner.

Visiting

The Rengebuji Temple Kotsudo stands on the rise behind the Kondo, and its exterior can be seen within the precinct. No official information on interior access was found. Directions to the temple are given on the Rengebuji Temple page.

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Q&A

QWhen was the Rengebuji Temple Kotsudo built?
AIn about 1348, at the start of the Nanboku-cho period, as graffiti inside shows (Agency for Cultural Affairs).
QWhy is the Rengebuji Temple Kotsudo important?
AIt is regarded as the oldest surviving building in eastern Japan with authentic Zen-style detail.
QWhat does the Kotsudo look like?
AA tiny one-bay hall under a thatched pyramidal roof, built of very thick timbers.
QWhere is the Rengebuji Temple Kotsudo?
AOn a rise behind the Kondo (Agency for Cultural Affairs).
QWhen was the Rengebuji Temple Kotsudo designated an Important Cultural Property?
AOn September 2, 1989 (Agency for Cultural Affairs).

Basic Information

NameRengebuji Temple Kotsudo (蓮華峰寺骨堂)
LocationKobie, Sado City, Niigata Prefecture
DesignationImportant Cultural Property (Structure)
Year DesignatedDesignated 1989/09/02 (Heisei 1)
Quantity1 building
DimensionsOne bay by one bay, single storey, pyramidal roof, thatch
OwnerRengebuji Temple
Public AccessExterior visible within the precinct

References

Rengebuji Temple Kotsudo (Database of National Cultural Properties, Agency for Cultural Affairs)
https://kunishitei.bunka.go.jp/heritage/detail/102/700

Last verified: 2026.10.14