Strathglass is a strath or wide and shallow valley in the Northwest Highlands of Scotland down which runs the meandering River Glass from the point at which it starts at the confluence of the River Affric and Abhainn Deabhag to the point where, on joining with the River Farrar at Struy, where the combined waters become the River Beauly. Although less densely populated than was formerly the case, Strathglass has played an important role in Scottish history, both secular and religious, and in Scottish Gaelic literature.