The Oirase River is a river located in eastern Aomori Prefecture, in the Tōhoku region of northern Japan. The Oirase River is the only river that drains Lake Towada, a large caldera lake that lies on

Hachinohe is a city located in Aomori Prefecture, Japan. As of 31 December 2025, the city had an estimated population of 212,279 in 109,987 households, and a population density of 695 inhabitants per