Valmiki Ramayana Yuddha Kanda Sarga 74 Shloka 31
Original Shlokaतयोशशिखरयोर्मध्येप्रदीप्तमतुलप्रभम् । सर्यौषधियुतंवीर द्रक्ष्यस्यौषधिपर्यतम् ।।6.74.31।।
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वीरhero, तयोः those two, शिखयोः peaks, मध्ये middle, प्रदीप्तम् glowing, अतुलप्रभम् very splendid, सर्यौषधियुतम् all kinds of medicinal herbs, ओषधिपर्वतम् mountain covered with medicinal herbs, द्रक्ष्यसि will see.
"Heroic Hanuman! In the middle of those two mountains, you will see a highly splendid mountain covered with all kinds of medicinal herbs."