Kerala Backwaters, a vast chain of lagoons and lakes which lies on the Malabar Coast of Kerala is on the parallel side of the Arabian Sea. The Backwaters is a big chain of large lakes which includes both manmade and natural, which is virtually extended to half the length of the entire state of Kerala.
The backwaters came into existence by the action of waves and shores leading to create low barrier islands across the mouths of many rivers flowing down from the Western Ghats range. The Kerala backwaters have a unique ecosystem where the freshwater from the rivers meet the sea water from the Arabian Sea.
Kerala Houseboats popularly known as "kettuvallams" in the backwaters are one of the most eyeball candy attractions to the tourist visiting Kerala. You can also find a huge variety of aquatic species from crabs to frogs and mudskippers, water birds like kingfishers, terns and darters, animals such as otters and turtles also live alongside these backwaters.