Eilean Donan Castle. Situated on an island at the point where three great sea lochs meet and surrounded by some majestic scenery, it is little wonder that the castle is now one of the most visited and important attractions in the Scottish Highlands. Although first inhabited around the 6th century, the first fortified castle was built in the mid 13th century and stood guard over the lands of Kintail. Since then, at least four different versions of the castle have been built and re-built as the fe