Barad-dûr was built by Sauron in the land of Mordor, not far ... - Facebook
Tolkien described the fortress as a massive, near-indestructible structure: Barad-Dur - Mordor
: Estimated at approximately 1,500 meters (4,921 feet). Barad-dûr was built by Sauron in the land
: A "mountain of iron" with wall upon wall and battlement upon battlement. 500 meters (4
: Its existence was bound to the One Ring ; the foundations were laid using the Ring's power, making them unshakable while the Ring remained. Role and Purpose