Valmiki Ramayana Sundara Kanda Sarga 56 Shloka 19

बहुप्रस्रवणोपेतम् full of waterfalls, शिलासञ्चयसङ्कटम् with heaps of rocks making (the streams' flow difficult), महर्षियक्षगन्धर्वकिन्नरोरगसेवितम् attended with sages, yakshas, gandharvas, kinnaras and nagas.

There were many streams of water flowing and rocks making it difficult for the streams to flow. The mountain was inhabited by sages, yakshas, gandharvas, kinnaras and nagas, and uragas.