United States President Donald Trump has intensified regional tensions by issuing a direct threat of military action against Iran's highly secure underground facility known as Pickaxe Mountain. On September 4, Trump stated that the United States is prepared to launch an attack on this site very soon if any suspicious activity is observed. He emphasized that American intelligence agencies are maintaining a constant vigil, monitoring every movement and activity associated with Pickaxe Mountain to ensure that no clandestine nuclear developments occur without detection.
Strategic Objectives and Nuclear Proliferation
According to President Trump, the primary objective of the ongoing American military campaign against Iran is to decisively prevent the nation from acquiring nuclear weapons. He asserted that following five months of sustained action, Iran would find itself unable to achieve its nuclear ambitions. This statement underscores the administration's hardline stance on Iran's nuclear program, which the US views as a significant threat to global and regional stability. The focus on Pickaxe Mountain highlights the specific tactical importance of this site in the broader context of Iran's nuclear infrastructure.
Geographic and Structural Details of Pickaxe Mountain
Pickaxe Mountain, referred to in Iran as Kuh-e Kolang, is situated in a strategically sensitive location just south of the Natanz uranium enrichment center, which is Iran's largest such facility. The Natanz site has already been the target of military strikes by the United States and Israel in 2025 and 2026. Pickaxe Mountain is described as an exceptionally secure underground site carved deep into the mountain. It consists of two complex tunnel systems with four primary entrances, two located on the eastern side and two on the western side. Intelligence assessments suggest that the main functional areas of the site are buried approximately 100 meters beneath the surface, making it one of the most deeply buried facilities in Iran's inventory.
Intelligence Reports and Satellite Surveillance
Recent satellite imagery has provided significant clues regarding the ongoing activities at Pickaxe Mountain. Images captured on June 30, 2026, revealed the presence of construction vehicles near the western entrance, suggesting continuous expansion or maintenance of the facility. Plus, reports indicate that work has been ongoing on the access roads and tunnel entry points in recent months. Israeli intelligence assessments, as reported by the Wall Street Journal, suggest that Iran has moved thousands of centrifuges to this location. Centrifuges are critical components used to enrich uranium to higher levels of purity. There are also claims that Iran has stored a portion of its highly enriched uranium within this mountain fortress.
Iran's Official Stance and Historical Context
Despite the allegations from the US and its allies, Iran has consistently denied any nuclear activity at the Pickaxe Mountain site. On July 22, Esmaeil Baghaei, the spokesperson for the Iranian Foreign Ministry, stated that no nuclear-related operations were taking place at the facility. The true purpose of the site remains a subject of international debate. Some experts believe it's being developed as a replacement for the advanced centrifuge assembly building at Natanz, which was damaged in 2020. In September 2020, Ali Akbar Salehi, the then-head of Iran's Atomic Energy Organization, had mentioned plans to build a more modern and larger facility within the mountains near Natanz to ensure greater security for their operations.
Military Challenges and the GBU-57 Bunker Buster
The extreme depth of Pickaxe Mountain presents a significant challenge for any potential military strike. It's believed to be deeper than both the Fordow and Natanz nuclear sites. Last year, the United States utilized GBU-57 Massive Ordnance Penetrators, also known as bunker buster bombs, in strikes against similar facilities. The GBU-57 is a massive weapon weighing approximately 13000 kilograms and is designed to penetrate up to 18 meters of reinforced concrete or 61 meters of earth. However, military experts point out that even this powerful weapon might struggle to completely destroy a facility buried 100 meters deep. The lack of precise internal maps of the tunnel complexes further complicates the task of ensuring that every underground section is neutralized.
Escalating Tensions and Regional Impact
Trump's latest threat comes at a time when the US has already conducted strikes against various targets linked to Iran's Islamic Revolutionary Guard Corps (IRGC). These targets included air defense systems, radar installations, maritime bases, mine-laying capabilities, and communication centers, while the US justified these actions as a response to alleged Iranian attempts to attack commercial vessels in the Strait of Hormuz and American military personnel. Iran has condemned these American strikes as a violation of its national sovereignty and has threatened to retaliate by targeting US military bases across West Asia. An attack on Pickaxe Mountain would represent a significant escalation in the campaign against Iran's nuclear infrastructure and could potentially lead to a much larger conflict in the region.