Mount Doom is a fictional volcano in J. R. R. Tolkien's Middle-earth legendarium. It is located in the northwest of the Black Land of Mordor and close to Barad-dûr. Alternative names, in Tolkien's invented language of Sindarin, include Orodruin and Amon Amarth. The Sammath Naur, located high up in the mountain's cone, were made by the Dark Lord Sauron in the Second Age. They comprised a tunnel leading to an interior platform with molten lava below it, known as the Cracks of Doom. It was here Sauron forged the One Ring during the Second Age. The mountain represents the endpoint of Frodo Baggins' quest to destroy the Ring, which is recounted in The Lord of the Rings. The mountain's chambers are the site where the One Ring was originally forged by Sauron, and the only place it can be destroyed.