Moruisg(Big Water) is a Scottish mountain(928 m) located in Glenncarron and Glenuig Forest in Wester Ross, Scotland with Loch Cnoc na Mointeich and Loch nan Mang in its northern corrie.
Moruisg is a Scottish mountain situated in the Glencarron and Glenuig Forest, 10 kilometres south west of the village of Achnasheen in the Highland council area. 
