Valmiki Ramayana Bala Kanda Sarga 65 Shloka 1
Original Shlokaअथ हैमवतीं राम दिशं त्यक्त्वा महामुनि:। पूर्वां दिशमनुप्राप्य तपस्तेपे सुदारुणम्।।1.65.1।।
1 source checked for this shloka
राम O Rama, अथ thereafter, महामुनि: great ascetic Visvamitra, हैमवतीम् relating to Himavat mountain, दिशम् quarter, त्यक्त्वा abandoning, पूर्वां दिशम् eastern quarter, अनुप्राप्य having reached, सुदारुणम् rigorous, तप: austerities, तेपे performed.
"O Rama thereafter the great ascetic (Viswamitra), abandoning the north of the Himavat mountain reached the eastern quarter and performed rigorous austerities. Satananda completes his narration of how Viswamitra attains Brahmarshi status.