Valmiki Ramayana Sundara Kanda Sarga 14 Shloka 39

तदा then, वीरः a hero, वानरः vanara, मेरोः of Meru, प्रभया by the radiance, दिवाकरः इव like the Sun, तेषाम् of those, द्रुमाणाम् of tree, प्रभया by the radiance, काञ्चनः golden, अस्मि was, इति thus, अमन्यत thought.

He saw trees resplendent with golden radiance and thought that he was in the midst of gold like the Sungod getting golden hue by the radiance of Meru, the golden mountain.