01 / Zenkoji site
Of the shogunate's three temples in Ezo,the main hall keeps its old form.

The Zenkoji site is a national historic site. Zenkoji was one of three temples the Edo shogunate set up in Ezo in the early 19th century, ranked first, according to the Agency for Cultural Affairs. The present main hall is thought to date from 1836, going by its ridge tag.
- National historic site
- One of three temples
- Main hall thought to date from 1836
