Water Plant Park is the botanical garden surrounded by nature in Lake Biwa，which theme is “Close relationship between plant and people，water and people.”
Flower garden on the hill having seasonal beautiful flowers and Kaei-no-Ike Pond having many kinds of water plants are highly recommended.
You can see water lilies，gigantean and tropical water lilies in the green house even in winter.
Also there are the video room to observe the ecology and history of lotus and Water Plant Museum.
The botanical garden is the only place showing Saranoki，(shorea robusta) in Japan.
Saranoki is one of the Three Buddhist Holy Trees being said Buddha died.