Ōyu Stone Circles

大湯環状列石

Ōyu Stone Circles are a World Heritage Jomon stone-circle landscape in Towada Oyu, Kazuno, Akita Prefecture, with two major circular arrangements. Official pages list outdoor viewing from 9:00 to 17:30 between April and October and from 9:00 to 16:00 in November, with winter closure from mid-November to mid-April. The Oyu Stone Circles Museum at Manza 45 provides guidance; contact telephone is 0186-37-3822. Site entry is free, while museum exhibition admission is 320 yen for adults. Confirm seasonal access limits before travel.