Blairgowrie and Rattray (/blɛərˈɡaʊri ənd ˈrætreɪ/) is a twin burgh in Perth and Kinross, Scotland. Locals refer to the town as "Blair". Blairgowrie is the larger of the two former burghs which were united by an Act of Parliament in 1928 and lies on the southwest side of the River Ericht while Rattray is on the northeast side. Rattray claims to be the older and certainly Old Rattray, the area round Rattray Kirk, dates back to the 12th century. New Rattray, the area along the Boat Brae and Balmoral Road dates from 1777 when the River was spanned by the Brig o' Blair. The town lies on the north side of Strathmore at the foot of the Grampian Mountains. The west boundary is formed by the Knockie, a round grassy hill, and Craighall Gorge on the Ericht. Blairgowrie and Rattray developed over the