Isedotai Stone Circles — Akita Northern Jomon

Why it mattersKey Late Jomon megalithic with stratified sequence and regional typology.

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

Built

c. 2200 BCE

Period

Late Jomon (2200–1500 BCE)

Culture

Late Jomon

Purpose

Four Jomon circles (30–15 m) with surrounding pit buildings — early Jomon ritual field

Rediscovered

Modern excavation 1872

Excavation

Excavated

1. c. 1200 BCE major extension

   Major expansion / refurbishment at Isedotai Stone Circles — Akita Northern Jomon

2. c. 2200 BCE

   Initial construction / first occupation at Isedotai Stone Circles — Akita Northern Jomon

3. 2005 excavation

   Modern rediscovery and scientific excavation of Isedotai Stone Circles — Akita Northern Jomon

• Isedotai Stone Circles — Akita Northern Jomon — Principal Standing Stone

  standing stone

  standing stone at Isedotai Stone Circles — Akita Northern Jomon — primary structure

  40.1583° N · 140.3464° E

• Isedotai Stone Circles — Akita Northern Jomon — Northern Chamber

  chamber

  chamber at Isedotai Stone Circles — Akita Northern Jomon — subsidiary complex

  40.1561° N · 140.3491° E

• Isedotai Stone Circles — Akita Northern Jomon — Southern Cairn

  cairn

  cairn at Isedotai Stone Circles — Akita Northern Jomon — outlier feature

  40.1581° N · 140.3493° E

• Isedotai Stone Circles — Akita Northern Jomon — Standing_Stone Annex 4

  standing stone

  standing stone at Isedotai Stone Circles — Akita Northern Jomon — hydraulic feature

  40.1578° N · 140.3472° E