Valmiki Ramayana 6.74.29
गत्वा परममध्वानमुपर्युपरि सागरम्।हिमवन्तं नगश्रेष्ठं हनुमन् गन्तुमर्हसि॥
gatvā paramamadhvānamuparyupari sāgaram |himavantaṃ nagaśreṣṭhaṃ hanuman gantumarhasi ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book