Eilean Dearg is a small island in

Loch Ruel Loch Ruel or Loch Riddon; extends north from the Kyles of Bute and is a sea loch in Argyll and Bute, Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mai ...

(or Loch Riddon) in Argyll, Scotland. The island was once home to a castle, which was destroyed by naval action in Argyll's Rising in 1685. No visible remains of the castle are to be found, but archaeologists excavated the site between 1964 and 1967, finding the castle's hall, chapel, a tower and the foundations of the wall, along with a gate. The excavations also found vitrified rock, possibly indicating the island was once occupied by a vitrified fort.

References

Islands of the Clyde Glendaruel Kyles of Bute Uninhabited islands of Argyll and Bute {{Island-stub