The festival in India that involves snake boat races is called Onam. This vibrant harvest festival is celebrated primarily in the state of Kerala and features traditional boat races as a highlight. Teams of rowers compete in beautifully decorated long boats, creating an exhilarating atmosphere on the water. Onam celebrates the annual homecoming of the mythical King Mahabali and emphasizes themes of community and abundance. Alongside boat races, the festival includes feasting, floral decorations, and cultural performances, making it a significant event for the local populace.