最勝寺, Buddhist temple in Toyama, Japan.

Saishoji is a Soto Zen temple in Toyama, on Mount Zuiryu, whose main image is a Shakyamuni Buddha. It began as a Rinzai temple founded by Ninagawa Chikatsuna to pray for his father Naotsuna, and later passed to the Soto school. The grounds hold a prefecturally designated wooden Amida Buddha triad with its two attendants.

The temple was founded by Ninagawa Chikatsuna as a Rinzai Zen temple to pray for his father Naotsuna. It became a Soto Zen temple during the Sengoku period. In the Edo period it received patronage from the Kaga and Toyama domains. It was briefly merged with another temple in the Meiji era but restored in 1872.

The temple belongs to the Soto school and carries the mountain name Zuiryuzan; its main image is a Shakyamuni Buddha. It was founded by Ninagawa Chikatsuna as a Rinzai temple to pray for his father Naotsuna, and the Ninagawa name remains tied to its origin. A wooden Amida Buddha triad with two attendants is a Toyama Prefecture designated cultural property.

The temple grounds are open to visitors who wish to explore and observe religious activities. It helps to wear respectful clothing and be mindful of ongoing ceremonies to avoid interrupting the practice space.

The temple was founded by Ninagawa Chikatsuna as a Rinzai Zen temple to pray for his father Naotsuna, then converted to Soto Zen in the Sengoku period. Its main image is Shakyamuni, and a wooden Amida triad with two attendants is a Toyama Prefecture-designated cultural property.