Ramayana
स हि देशो दुरन्वेषो गुहागहनवान्महान् । तत्र वायुसुतस्सर्वं विचिनोति स्म पर्वतम् ॥ ४-५०-४
The son of the Wind-god, Hanuman, searched all over the mountains and caves and woods difficult to access in that southwestern region of the mountain. ॥ 4-50-4॥
english translation
sa hi dezo duranveSo guhAgahanavAnmahAn । tatra vAyusutassarvaM vicinoti sma parvatam ॥ 4-50-4
hk transliteration by Sanscript