Ferniehirst Castle  (sometimes spelled Ferniehurst) is an L-shaped construction on the east bank of the Jed Water, about a mile and a half south of Jedburgh, in the Scottish Borders area of Scotland, and in the former county of Roxburghshire.
Ferniehirst Castle, sometimes called Ferniehurst, is an L-shaped building located on the eastern side of the Jed Water river, approximately one and a half miles south of Jedburgh in the Scottish Borders area of Scotland, which was previously within Roxburghshire.