Valmiki Ramayana Kishkindha Kanda Sarga 43 Shloka 19

तस्य its, काननषण्डेषु in the thickets, निर्घरेषु near mountain streams, गुहासु च in caves, रावणः Ravana, वैदेह्यासह and Vaidehi, ततस्ततः everywhere, मार्गितव्यः should be searched.

'You should search for Ravana as well as Vaidehi everywhere in the thickets of that hill, near the mountain streams and also in caves.