From OS Grid Reference NM 91245 93007, the boundary follows Abhainn Ceann-loch-morair in a west-south-westerly direction to OS Grid Reference NM 86389 90774, and then the northern shore of Loch Morar to OS Grid Reference NM 73795 91798. From here, the boundary follows Allt an Inbhire Chruaidh, Lochan a’ chuirn Duibh, and Lochan Stole in a northerly direction to OS Grid Reference NM 74476 93867. The boundary then follows a north-westerly direction to OS Grid Reference NM 75283 94662, from which it continues in an easterly, northerly, westerly, north-westerly, north-easterly, and then easterly direction, along the high water coastline, to OS Grid Reference NG 92820 07243. From here, the boundary continues in a south-south-easterly direction to OS Grid Reference NG 96593 01169, following which it follows the northern shore of Loch Cuaich in a westerly direction to OS Grid Reference NM 93224 99081, and then Allt Coire nan Gall in a southerly direction to OS Grid Reference NM 92709 97505. The boundary then goes in a southerly direction to the starting point at OS Grid Reference NM 91245 93007.