The Vasukiganga River flows through Uttarakhand, India. It is a tributary of the Mandakini River.
The source of the Vasukiganga River is the Vasuki Tal, a small glacial lake located in the glacial trough east of Chor gamak glacier, near Kedarnath.
Overview
There is mention of Vasuki river also known as son river which is a small river and flows in downside of kedarnaath hills. Son is also known as vasuki ganga.:- Source:- Aitihasik Sthanavali (A book written by vijyendra kumar mathur and published by Rajasthan Hindi Granth Akadami, Jaipur). Confluence of the rivers Vasukiganaga and Mandakini is known as Son Parayg/Vasuki Prayag is situated at 14 kilometer distance from famous triyuginarayan temple (site where Lord Shiva and mata parvati got married together.). Five kilometer pedestrian distance from here.
the place where this vasuki prayag/son prayag is situated is known as bhilangana region. there are so many prayagas in that area. source- shloka-23, chapter-44, Kedarkhand, skandpuran. confluence of two rivers that are called sangam in rest of the bharat are known as prayag in uttarakhand, bharat(India).