Trivani sangam confluence of three rivers. Sangama is the Sanskrit word for confluence. Allahabad is also called Prayag . In Prayag has two rivers Ganga, Yamuna and invisible Saraswati River. Allahabad is very importance for Kumbh Mela held every 12 years.
The three rivers maintain their identity and are visibly as they merge.The Yamuna is deep but calm and greenish in colour. The Ganga is shallow, but forceful and clear. The Saraswati rivers hidden but peoples believes that she makes her presence felt underwater.