The Breamish is a river in Northumberland, England, which rises on Comb Fell in the Northumberland National Park on the southern side of The Cheviot. It is one of the eight rivers rising in the Cheviot Hills, the others being the College Valley, the Harthope Burn, the Bowmont Water, the Kale Water, the Heatherhope Burn, the Coquet and the Alwin.