Trimohini Sangam is a confluence of rivers located near Kursela village in Katihar district, Bihar state, India. There the river Koshi meets with the Ganges, with which a small stream of Kalbalia river originates. Trimohini Sangam is one of the 12 banks on which the ashes of Mahatma Gandhi were immersed on 12 February 1948.
In order to develop this place as a tourist destination, the Bihar State Tourism Department approved a plan of Rs 3.50 crore in the 2017-18 financial year.[citation needed]