Valmiki Ramayana 5.1.57

पर्वताग्राद्विनिष्क्रान्तौ पञ्चास्याविव पन्नगौ ।पिबन्निव बभौ चापि सोओर्मिमालं महार्णवम्॥

parvatāgrādviniṣkrāntau pañcāsyāviva pannagau |pibanniva babhau cāpi soormimālaṃ mahārṇavam ||

Our plain-language meaning of this verse is waiting for scholar review.