Lonely Mountain, also known as Erebor, is a significant location in J.R.R. Tolkien's Middle-earth legendarium. It is a majestic mountain that serves as the home of the Dwarves and is famous for its vast treasure hoard, guarded by the dragon Smaug. The mountain plays a central role in Tolkien's novel, The Hobbit, where the quest to reclaim it drives the story. The mountain is not just a physical landmark but also symbolizes the themes of adventure, greed, and the struggle for home. Its rich history and the events surrounding it have captivated readers, making it an iconic element of fantasy literature.