500 million years of diverse land

The Sanriku area is engraved with a history of about 500 million years. You can enjoy the diverse landscape of uplift and erosion of the earth.


500 million years

The grace of Rias and the work of the terrace

The Rias coast is characterized by a coastal line where the bay and the bay are repeated in the deep cleavage formed by rivers and the like, which the ocean entered. The maritime terraces are characterized by the flat sea floor that was once in the corner of the beach, the topography and cliffs that appeared on the ground due to earth uplift and sea level change continued, and the coastline became linear.

 OONO Marine Terrace

Oono Marine Terrace 大野海成段丘


Yamada Bay and Netherland Island 山田湾とオランダ島

Only one ecosystem

Look at Only One in diverse ecosystems, such as nurturing a community of sub-alpine plants by unique species such as peculiar geology and rocks “”Hayashinusuyukiyo”” and “”ridiculous”” which is a severe climatic condition can do.

Hayachine-Usuyuki-so 可憐に咲くハヤチネウスユキソウ


Kitayamazki 北山崎

Rich underground resources

Kuji Amber boasts one of the top producers in the country, Kizen gold that supported the golden culture of Hiraizumi, Katashi who started the “”Tatara Ironmaking”” widely in Sanriku and built the cornerstone of modern ironworks of Japan, Sanriku A rich resource group has supported local culture and industry.

Hashino Iron Mine

It is the ruins that contributed to the development of the country by supporting the modern steelmaking industry of Japan from the end of the Tokugawa period to the Meiji era, with the oldest western style blast furnace remains in Japan.


Hashino Iron Mine 橋野鉄鉱山

The history and symbiosis of the tsunami

Oki earthquake is a frequent area of earthquake / tsunami disaster accompanying the subduction of the Pacific plate, memories of the occurrence of the tsunami are left also in the ancient strata. Sanriku is a field that can communicate wisdom and lessons coexisting with tsunami disasters.

The Great East Japan Earthquake Memorial Park