Darnhall Mains is a farm and settlement off the A703, near Eddleston and the Eddleston Water in the Scottish Borders area of Scotland, in the former Peeblesshire.
Nearby is a tower house with alternative names: Darnhall, Darn Hall, Black Barony or Barony Castle. It is now the Barony Castle Hotel.
55°43′15″N 3°12′40″W / 55.72092°N 3.21108°W