Valmiki Ramayana Kishkindha Kanda Sarga 37 Shloka 22
Original Shlokaकैलासशिखरेभ्यश्च सिंहकेसरवर्चसाम्। ततः कोटिसहस्राणि वानराणामुपागमन्।।4.37.22।।
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ततः then, सिंहकेसरवर्चसाम् of those having the colour of the lion's mane, वानराणाम् monkeys, कोटि सहस्राणि a thousand crores, कैलासशिखरेभ्यश्च from the peaks of Kailasa mountain, उपागमन् started.
From the peaks of Kailasa mountain moved out one thousand crores of monkeys who were of bright colour like the lion's mane.