Kozanji means Merit Mountain Temple. The temple belongsto the Soto school of Zen Buddhism. It was established asKinzan Chofukuji Temple in 1320 during the Kamakura periodby Kyoan Genjyaku, a spiritual descendent of Enni Ben’en.It experienced a period of degeneration and was revitalizedby Mori Hidemoto in 1652 during the Edo period (1603-1868), when it was renamed Kozanji. It was listed as a NationalTreasure in 1953.
The principal buildings include the temple gate, Buddha Hall, main hall, kitchen, and study room. The three-by-three bay Buddha Hall has a double-eave hip-and-gable roof covered in cypress bark. The eaves curve upwards at the corners and are supported by three-tier bracket sets and rafters. A statue of a seated Thousand-Armed Avalokitesvara is enshrined within the hall. The floor of the interior is made of brick. There is a plafond in the center of the ceiling, along with flying rafters. The hall is spacious and expresses a simple Zen style.