Osarizawa mine is
a copper mine, it was discovered around 700 and started full-scale since 1600
and closed in 1978.
In the old days,
gold digging was done in this nearby river. You can experience gold panning in the
pool at the site of this mine.
"Historic Site of Ozorasawa Mine" was built on the former site.
You can observe industrial sites such as mining and refining fields.Address: Shishikozawa Osarizawa Kazuno-shi Akita-ken
The homepage of
this mine
http://www.osarizawa.jp/