Zensui-ji (善水寺) is a Buddhist temple in the Iwane neighborhood of the city of Konan, Shiga Prefecture, Japan.

The temple's legend states that it was founded by Empress Genmei during the Wado era (708-715), and that the tempe was originally called "Wado-ji".

During the early Heian period, Saichō came to the temple to pray for rain, and converted it to the Tendai sect.

The temple is 3.9 kilometers, or approximately a one-hour walk, from Mikumo Station on the JR West Kusatsu Line.

[1] The temple also has many statues which are National Important Cultural Properties:[2] Media related to Zensuiji at Wikimedia Commons Official website