Near Dasaswamedh Ghat in Varanasi
This is when the Main Ghat in Varanasi gets it's heaviest run of people. The photo here is near it, just downstream a bit. These religious gatherings take place all year, but periodic Kumbh Mela is siminal on the Ganga. Dasaswamedh Ghat, usually known as the Main Ghat of the Ganes.
Kumbh Mela in India