<Tr> <Th> Location </Th> <Td> Northeast of Mirkwood </Td> </Tr> <Tr> <Th> Founder </Th> <Td> Thráin I </Td> </Tr> <P> In J.R.R. Tolkien's Middle - earth legendarium, the Lonely Mountain (Sindarin Erebor) is a mountain in the north of Rhovanion . It is the source of the Celduin River, and the location of the Kingdom under the Mountain . The town of Dale lies in a vale on its southern slopes . </P> <P> Erebor stood hundreds of miles from the nearest mountain range . Tolkien's map shown in The Hobbit shows the mountain with six ridges stretching out from a central peak that was snowcapped well into spring . The whole mountain was perhaps ten miles in diameter; it contained fabulous lodes of gold and jewels . </P>

What is the dwarf city in the hobbit called