Oyu Stone Circles

Oyu stone circles were made by Jomon people thousands of years ago. They have solsticial markers. There are two major circles.  Here is the first, called Manza.

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Look closely at the mountain in the third and fourth photos. It is Kuromanta yama.

This is the second site, Nonaka.

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This standing stone is surrounded by directional stones. Note how the Japanese stone circles differ from the European ones. For one, the standing stones are not so tall. For another, they have this type of arrangement of stones. Do you see the cardinal directions in the photo below? This circle is said to have solstice directions which are, at this latitude, thirty degrees from east-west.

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Akita is near the northern end of Honshu.