The Lairig an Laoigh ( ; ) is a mountain pass through the Highlands of Scotland. In speech and sometimes in writing the name is reduced to Lairig Laoigh. It is of glacial origin, dissecting the Cairngorm plateau, and it runs roughly north-south from Speyside to Deeside at one time being used as a drove road. Between the public road in the Abernethy Forest and the one at Linn of Dee the trekking distance is .