Nayar River (eastern) is a tributary of holy Ganga River. It emerges from Dudhatoli ranges of Garhwal in Pauri district of Uttarakhand. The length of eastern Nayar River is 94 km. The known places situated nearby this river are Bharani Sain, Dudhatoli, Thalisain, Baijron, Bironkhal, Manjyari, Khairsain, etc. At Satpuli, eastern Nayar which is also known as Purvi Nayar meets Paschimi Nayar(western Nayar). After covering some distance, Nayar River joins Ganga River. The confluence point of these two rivers is Vyasghat in Pauri.