Dawn
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12:54 Jul 23, 2026
United States President Donald Trump has threatened to attack a site linked to Iran’s nuclear programme known as Pickaxe Mountain, a fortified facility buried deep underground near one of Tehran’s main nuclear sites. The threat reflects escalating tensions as Tehran and Washington trade fire in the Gulf, setting back efforts to end the conflict. Here is what we know about Pickaxe Mountain: What is Pickaxe Mountain? Pickaxe Mountain is located 220 kilometres (140 miles) south of Tehran and 2km (1.2 miles) from the Natanz nuclear complex. The Natanz site, where two of Iran’s uranium enrichment plants were located, was bombed during the war started by the United States and Israel on February 28, and during last year’s 12-day war. The tunnel facility under construction at Pickaxe Mountain was not targeted in either of those wars, according to the Institute for Science and International Security (ISIS), a US-based think-tank focused on nuclear non-proliferation. The peak rises to some 1,600 metres above sea lev...