Yamadera is a temple located in Yamagata prefecture.
The temple is a nationally-designated Place of Scenic Beauty and a Historic Site.
山寺/yamadera literally means 山ーmountain 寺ーtemple.
It was founded over 1000 years ago.
It’s popular because the famous poet Basho wrote a poem here.
You can still see his statue with an inscription of the poem.
If you want to visit, check out Japan Guide.