sentences:  It has the distinction of having two sizable rivers rising from its northern corries.The River Croe which emerges from a small lochan called Loch a Glas Choire within the Glas Choire flows north west for 12 kilometres to join the sea at Loch Duich on the west coast.The River Affric rises in Coire nan Eun on the eastern flank of the mountain and flows some 80 kilometres to reach the east coast at the Beauly Firth.