The highlight of Sasthamkotta Lake is that it neither gets frozen during the winter season nor does it dries up in the summers. Throughout the year, the freshwater of this lake provides clean drinking water for around 10 million people. For tourists, it is not just the scenic beauty and tranquility of the lake that is attractive; rather there is something else as well. An ancient Sastha temple stands on its shore which is major draw for pilgrims to Kerala