Nonakado Stone Group from Japan, late Jomon (Jomon period--14,000 BC to about 300 BC) Oyu Site - Towada. It seemingly represents a sundial, you can see three of the 'quarter' stones, and there is apparently nothing like it on the Continent, and the information states, that it could come from as far a field as Siberia to the Mongolian Steppes, where many types of stone arrangements are found. Text and photo from North Stoke blog
Aomori Story: Café Fuku Directions: From POL gate, go straight all the way into Towada (Route 10). Café Fuku is on a hill on your right. You will see a sign peeking out from a hill. I will have to get back to you on the approximate distance.