A deeply buried nuclear facility located in the mountains near the city of Fordow, Iran. The site is extensively fortified and constructed within a mountain, with reports indicating it is approximately 260 feet (80 meters) underground. It is part of Iran's nuclear program and has been described as one of the country's most fortified nuclear installations, designed to withstand aerial attacks.
The facility's exact purpose and internal layout are not publicly detailed, but its construction represents a significant investment in hardened underground infrastructure for nuclear activities. The location is in a mountainous region of central Iran, providing natural concealment and protection. The site has been the subject of international attention and diplomatic discussions regarding nuclear non-proliferation and regional security.