01 / Chashikotsu Cape-top Site
31 pit dwellings built in the 8th-9th centuries,a cape site of the Okhotsk culture.

The Agency for Cultural Affairs says this national historic site lies on a cape-like coastal terrace 55 m above sea level, at the southwestern tip of the Shiretoko Peninsula. A settlement site centered on the late Okhotsk culture, it yielded Jingu Kaiho, used under the ancient Ritsuryo state, showing exchange with the Honshu side through neighboring groups.
- National Historic Site (designated Feb. 26, 2019)
- 31 pit dwellings (8th-9th centuries)
- Jingu Kaiho excavated
