Kottayam,Kerala,India / snake boat (chudan vallom) parked. Snake boat has got a length of 100 – 120 feet and usually more than a hundred people are on board. Both the ends of the boats are raised from water level. The rear end has a height of about twenty feet from the surface of water. Nearly eighty six persons are rowers, ten to fifteen are to give the rhythm, four are to steer the vessel.... See more