Valmiki Ramayana Sundara Kanda Sarga 53 Shloka 40

ततः then, श्रीमान् the illustrious, अनिलात्मजः the son of the Windgod (Hanuman), शैलशृङ्गमिव like the peak of a mountain, उन्नतम् lofty, विभक्तरक्षस्सम्बाधम् turned away the demons, पुरद्वारम् entrance of the city, आससाद reached.

Then the illustrious Hanuman reached the entrance of the lofty city, which was like the peak of a mountain and turned away the demons.