 तिमिनक्रनिकेतं तु वरुणालयमक्षयम्।।सरितां शरणं गत्वा समतीयाय सागरम्। 
 Ravana soon crossed the refuge of rivers, the abode of Varuna, god of the sea, inexhaustible ocean, and the home for whales and crocodiles. 