Eilean Donan is a small island located in the western Highlands of Scotland. It is famous for its picturesque castle, also named Eilean Donan, which sits at the confluence of three sea lochs: Loch Duich, Loch Long, and Loch Alsh. The castle was originally built in the 13th century and has been restored several times, making it a popular tourist destination. The island and its castle are often featured in films and photographs due to their stunning scenery and historical significance. Eilean Donan is accessible by a bridge, allowing visitors to explore the castle and enjoy the surrounding natural beauty.