Balmaghie (/bælməˈɡiː/ bal-mə-GEE), from the Scottish Gaelic Baile Mhic Aoidh, is an ecclesiastical and civil parish in the historical county of Kirkcudbrightshire in Dumfries and Galloway, Scotland and was the seat of the McGhee family. It is bordered by the River Dee to the north and east. Threave Castle stands on an island in the river. The River Dee is commonly known as the Black Water of Dee on the northern border, the name changes with the meeting of the Water of Ken to the north west and is then known as Loch Ken along the eastern border. Balmaghie parish borders Girthon to the west and Tongland and Twynholm to the south. The closest market town is Castle Douglas about 6 miles from Balmaghie Kirk.