I visited the polilymnio waterfalls in greece in a hot day to take some pictures and refresh in the cold water of the springs and waterbasins there.
It is a great place on hot days but the hiking can also be a bit exhausting.
The color of the water is amazing and eventhough there are a lot of people visiting, it doesnt feel crowded since there are several waterbasins to swim. In some of the waterbasins there are several fish swimming, most of them rather small.