Lagarfljót, also known as Lögurinn, is a narrow lake in East Iceland that's famous for its natural beauty, fishing, and intriguing folklore. Legend has it that the lake is home to the Lagarfljót Wyrm, a mythical creature similar to the Loch Ness Monster. While there's no concrete evidence of the beast's existence, the stories and sightings add an air of mystery to this picturesque spot near the town of Egilsstaðir. Visitors can enjoy birdwatching at the nearby Hallormsstaðaskógur forest and marvel at the impressive Hengifoss waterfall, making Lagarfljót a must-see destination for those exploring the East of Iceland.