Kosho-ji Temple is a temple of the Tofukuji School of the Rinzai sect of Zen Buddhism.
It is said to have been founded by Kobo Daishi, and was once a dojo of Shingon esoteric Buddhism. In the precincts of the temple, there is an overnight hermitage that is said to have been built by Yamazaki Sokan, the founder of haikai, and since the Edo period, many haiku poets have visited the temple and left their haiku.
Many haiku poets have visited the area since the Edo period and left their works. There are also many historical sites, such as the Butsudai-ishi, a cultural property designated by Kannonji City, and the 88 mini Sacred Sites Tour Course. A 1.5-kilometer walking trail has been developed, and along the trail there is a black pine tree with most of its roots above the ground , called “neagari-matsu” (a pine tree with roots rising up to the ground).