Nehru Trophy Boat race at Punnamada, Alappuzha is one of the most significant and colourful boat races in Kerala. It is a world renowned event, held annually on the second Saturday of the month of August in the Punnamada Lake in Alappuzha.

The most prestigious and interesting event among the races is the competition of the “Chundan Vallam” or the snake boats. These majestic boats measuring a length of 30 to 60 metres (over 100 ft) with a raised prow, are quite impressive and can accommodate around 100 rowers, 4 helmsmen and 25 cheer leaders.