Hume Castle in the Scottish Borders. This castle is PACKED with history and stands as an example of one of the earliest castle types in Scotland with a rectangular courtyard plan, unusual in the South. This medieval castle sits on a hill overlooking Scotland's Borders and famous hills such as the Eildons. #visitscotland #humecastle #scottishborders #hiddenscotland #unlimitedscotland #castle #castlesofscotland #castlesofinstagram #kelso | Sarah Scotland