The River Beauly (Scottish Gaelic: Abhainn nam Manach, pronounced [ˈavɪɲ nə ˈmanəx]) is a river in the Scottish Highlands, about 15 km west of the city of Inverness. It is about 25 km long, beginning near the village of Struy, at the confluence of the River Farrar and the River Glass (grid reference NH408399). The river meanders as it flows east, passing to the south of the village of Beauly and into the Beauly Firth. Eilean Aigas is an island in the river.