Lake Biwa Museum (琵琶湖博物館) 滋賀県立琵琶湖博物館
Its tunnel aquarium is the largest in Japan devoted solely to the fish of a lake.
Natural history and archaeology museum of Shiga Prefecture, dedicated to the ecosystem of Lake Biwa, in Kusatsu.
Shiga
[object Object], 水生植物公園みずの森