Valmiki Ramayana Ayodhya Kanda Sarga 52 Shloka 98

प्रणष्टजनसम्बाधम् devoid of concourse of people, क्षेत्रारामविवर्जितम् devoid of farms and gardens, विषमम् च uneven and inaccessible, प्रपातं च with deep ditches, वनम् forest, अद्य now, प्रवेक्ष्यति will enter.

Now she will enter the forest which is devoid of concourse of people, farms and pleasure groves and which is uneven and inaccessible and full of deep ditches.