Valmiki Ramayana Kishkindha Kanda Sarga 43 Shloka 56
Original Shlokaइन्द्रलोकगता ये च ब्रह्मलोकगताश्च ये। देवास्तं समवेक्षन्ते गिरिराजं दिवं गताः।।4.43.56।।
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ये those, इन्द्रलोकगताः gone to the world of Indra, ये those, ब्रह्मलोकगताश्च gone to Brahma's world, देवाः deities, दिवम् heaven, गताः gone, तम् that, गिरिराजम् king of mountains, समवेक्षन्ते can view.
'Only those who have reached the world of Indra and Brahma in heaven can see that king of mountains.