mountain in the Ural Mountains, Bashkortostan, Russia
Mount Yamantau, or Yamantaw (Russian: гора Ямантау, Bashkir: Ямантау, romanized: Yamantaw) is a mountain in the Ural Mountains, located in Beloretsky District, Bashkortostan, Russia. Standing at 1,640 metres (5,380 ft), it is the highest mountain in the Southern Ural section, and lies within the South Ural Nature Reserve. An extensive secret bunker complex has allegedly been built under Yamantau, per United States claims, by the Russian government or the Russian Armed Forces, similar to the Cheyenne Mountain Complex in the U.S. state of Colorado.