Bornish Hill Nature Reserve is located near Melford, Inverness County. It protects a representative example of the Skye River Hills and Valleys Natural Landscape. Bornish Hill Nature Reserve is the least-disturbed area of climax hardwood forest remaining in the Creignish Hills region of the landscape, and represents the dominant landscape ecosystem type in the landscape.

The reserve contains an entire hill as an enduring ecological unit, including ravines, bogs, and other ecosites. Much of the forest is in an old-growth condition.