The lotus pond is the biggest pond in Koysan, the origin goes back to Heian
Long ago it was called Kondo pond, but after lotus plant in Edo period, it was called lotus pond .
There were covered with lotus on lake surface, but after repaired changed lake environment so now a lotus almost disappeared .
There is a shrine on the center of the lake for Zennyo Ryuou , which is kind of Dragon god.
The god had a special power when monks prayed for rain for everybody, the Dragon god realized blessed rain after a long spell of dry weather .(Y.T.)