Valmiki Ramayana Yuddha Kanda Sarga 126 Shloka 53
Original Shlokaइयं च दृश्यतेगङ्गापुण्यात्रिपथगानदी । नानाद्विजगणाकीर्णासम्प्रपुष्पितकानना ।।6.126.53।।
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नानाद्विजगणाकीर्णा frequented with several kinds of birds, सम्प्रपुष्पितपादपा filled with trees full of blossoms, इयम् these, पुण्या sacred, त्रिपथगा three worlds, गङ्गानदी Ganga river, दृश्यते is seen
"There is a sacred river Ganga where several kinds of birds frequent and are filled with trees full of blossoms."