Daisen Kofun — Nintoku Outer Moat Sector

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Why it mattersKey Yamato Kofun (Emperor Nintoku tradition) tumulus with stratified sequence and regional typology.

Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.

Built

mid-5th c. CE (c. 430 CE)

Period

Kofun (c. 411–453 CE Nintoku)

Culture

Yamato Kofun (Emperor Nintoku tradition)

Purpose

Largest kofun in Japan (486 m, 32 m high) — keyhole tomb of Emperor Nintoku, 3 moats and 3 haniwa tiers

Rediscovered

Modern excavation 1908

Excavation

Excavated

1. mid-5th c. CE (c. 430 CE)

   Initial construction / first occupation at Daisen Kofun — Nintoku Outer Moat Sector

2. c. 800 CE major extension

   Major expansion / refurbishment at Daisen Kofun — Nintoku Outer Moat Sector

3. 2005 excavation

   Modern rediscovery and scientific excavation of Daisen Kofun — Nintoku Outer Moat Sector

• Daisen Kofun — Nintoku Outer Moat Sector — Principal Chamber

  chamber

  chamber at Daisen Kofun — Nintoku Outer Moat Sector — primary structure

  34.5644° N · 135.4882° E

• Daisen Kofun — Nintoku Outer Moat Sector — Northern Dromos

  dromos

  dromos at Daisen Kofun — Nintoku Outer Moat Sector — primary structure

  34.5655° N · 135.4889° E

• Daisen Kofun — Nintoku Outer Moat Sector — Southern Mound

  mound

  mound at Daisen Kofun — Nintoku Outer Moat Sector — hydraulic feature

  34.5629° N · 135.4884° E

• Daisen Kofun — Nintoku Outer Moat Sector — Eastern Chamber

  chamber

  chamber at Daisen Kofun — Nintoku Outer Moat Sector — subsidiary complex

  34.5627° N · 135.4893° E