What festival draws in the most amount of people?

The Kumbh Mela, a Hindu pilgrimage held every 12 years at four rotating locations in India, is considered the largest festival in the world, attracting millions of devotees and visitors. Estimates suggest that up to 120 million people may attend over the course of the event. The festival is marked by ritual bathing in sacred rivers, spiritual discussions, and various cultural activities. Its immense scale and religious significance make it a unique phenomenon globally.