Valmiki Ramayana Aranya Kanda Sarga 2 Shloka 4
Original Shlokaसीतया सह काकुत्स्थस्तस्मिनघोरमृगायुते। ददर्श गिरिशृङ्गाभं पुरुषादं महास्वनम्।।3.2.4।।
1 source checked for this shloka
सीतया सह along with Sita, काकुत्स्थः Rama of the Kakutstha family, घोरमृगायुते infested with dreadful animals, तस्मिन् in that place, गिरिशृङ्गाभम् comparable to the peak of a mountain, महास्वनम् heavy sound, पुरुषादम् a cannibal, ददर्श saw.
While Rama along with Sita was wandering in the forest infested with dreadful animals, he saw a roaring cannibal resembling the peak of a mountain.