Yamadera (or literally, “temple in mountain”) in Yamagata is the very popular temple among sightseers. This temple was founded in 860, and 1,010 stone steps lead from the foot to the top of the mountain. It used to be a place for ascetic practices.
Here is Hirashimizu-Yaki nearby which is traditional pottery created local clay of Mount Chitose.

Online Sake Cup Shop specialized in Japanese sake cup

In Yamagata Prefecture of Tohoku area, there are numerous sightseeing spots. Ginzan (or literally meaning of silver mine) Hot Spring is one of the popular ones because of its nostalgic atmosphere with old Japanese-style inns.
Here is the revived Kaminohata Yaki of porcelain-ware which was dated back to the Edo era.

Online Sake Cup Shop specialized in Japanese sake cup