浜名湖に隣接する周囲６Kmの小さな湖
平均水深２ｍと浅く市街地の中に有るなどで水質の悪化がした
2001年には湖沼水質ワースト１になる
しかし水質浄化の努力により
2009年にはワースト5位から抜け出した
現在は野鳥も多く、ジョギングコースや自然散策路として市民に親しまれている
A small lake with a circumference of 6km adjacent to Lake Hamana
The water quality deteriorated due to the fact that the average water depth is as shallow as 2m
and it is located in the city.
Became the worst lake water quality in 2001
However, due to efforts to purify water
In 2009, he got out of the worst 5th place
Currently, there are many wild birds,
and it is popular with the citizens as a jogging course and a nature walk.