The largest structure at Sengen Jinja stands an impressive 82 feet. The main hall of worship is a combination of two shrines, each with their own stairs and entrance. Kanbe Jinja was established during the 1st century BC and is dedicated to Okuniushinomikoto (god who ruled Japan) and Niniginomikoto (Japanese Emperor ancestor) plus Tokugawa Ieyasu. The building also houses Asama Jinja, founded in 901. Enshrined is Sakuya, the kami of Mount Fuji. People pray at this haiden for long life, a good marriage and a healthy child at birth.