Valmiki Ramayana - Ayodhya Kanda 55:Crossing Yamuna at Prayaga: Sri Rama crossed the river Yamuna at Prayaga to go to Chitrakoota by the route suggested by sage Bharadwaja.
Valmiki Ramayana - Ayodhya Kanda 55:Devi Sita offering prayers to Yamuna: While crossing the river at Prayaga, Devi Sita offered prayers to river Yamuna.