Vallam Kali is a traditional boat race in Kerala, India. It is a form of canoe racing, and uses paddled war canoes. It is mainly conducted during the season of the harvest festival Onam in autumn. Vallam Kali includes races of many kinds of paddled longboats, the traditional boats of Kerala.
The race of Chundan Vallam (snake boat) is the major event. Hence Vallam Kali is also known as the Snake Boat Race and is a major tourist attraction. Other types of boats which do participate in various events in the race are Churulan Vallam, Iruttukuthy Vallam, Odi Vallam, Veppu Vallam, Vadakkanody Vallam and Kochu Vallam. The Nehru Trophy Boat Race is a popular Vallam Kali event held in the Punnamada Lake near Alappuzha, Kerala, India.