Vellayani or Vellayani kayal as known in local language is one of the three rain-fed freshwater lakes in Kerala, the other two being Sasthamcotta lake in Kollam and Pookkode lake in Wayanad. Vellayani lake, is the largest fresh water lake in Thiruvananthapuram district, of Kerala. The lake is located about 7 km away from Kovalam. The lake water is extensively used for drinking and irrigational purposes.
Surrounded by picturesque scenes, influencing coconut forests and extend of flourishing paddy field, the perfectly clear water of the lake gives truly necessary peace and treats to the eyes of the guests. Drifting in the flawless water of the lake let you drenched yourself in the unparallel nature magnificence of the spot.