Katsuragaoka Chashi

Katsuragaoka Chashi - Credit: Wikimedia Commons

in Abashiri, Hokkaidō, Japan, was an Ainu chashi, or a fortified settlement. Occupying an elevated site overlooking the Sea of Okhotsk, the natural changes in elevation of the two mounds upon the plateau were ideal for a fortification. The defensive capability was augmented by the addition of moats. The site is also known as . Read more on Wikipedia

type: ancient site
date from: None

Source: en.wikipedia.org