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US Threatens Strike on Iran's 'Pickaxe Mountain' Nuclear Site: Key Facts on Fortified Underground Facility

Target:UPSC GS-IIMPSCSSC GATeachingPrelims HighMains HighStatic GK Link
14 Jul 2026
~2 min
Source: Indian Express
Key Data:1.5 km south of Natanzconstruction started ~2020900-kg bunker-buster bombsJune 2025
Bodies:IAEAUS GovernmentIranian Government
Practice MCQs from today's news ▸
What This Article Covers

1.Trump threatens to strike Iran's heavily fortified underground nuclear facility 'Pickaxe Mountain' (Kūh-e Kolang Gaz Lā), located 1.5 km south of the Natanz enrichment complex.

2.The site consists of two deep tunnel complexes beneath solid granite, excavated since ~2020, designed to shield nuclear assets from US bunker-buster bombs.

3.US intelligence reports suggest the tunnels are beyond the reach of 900-kg bunker-buster bombs previously used against Iran's Isfahan depot, raising strategic defense questions.

The Big Picture
Prelims · HighMains · High

US President Trump has threatened to strike Iran's 'Pickaxe Mountain', a deeply buried underground nuclear facility near Natanz, designed to withstand conventional bunker-buster bombs. This marks a major escalation in the US military campaign against Iran, highlighting the strategic importance of fortified nuclear infrastructure and the limits of current US bunker-buster ordnance.

Exam Lens

Quick Exam Facts From News

Facility NamePickaxe Mountain (Kūh-e Kolang Gaz Lā)
Location1.5 km south of Natanz, central Iran (Zagros range)
Construction StartAround 2020
Key ThreatUS President Donald Trump threatened strikes on Hugh Hewitt Show
US Bunker-Buster Used (June 2025)900-kg bombs on Isfahan ammunition depot

1-Minute Revision

  • ›Facility Name: Pickaxe Mountain (Kūh-e Kolang Gaz Lā)
  • ›Location: 1.5 km south of Natanz, central Iran (Zagros range)
  • ›Target this Data: Pickaxe Mountain (Kūh-e Kolang Gaz Lā) located 1.5 km south of Natanz; construction started ~2020.
  • ›Target this Nodal Body: US President Trump (threat maker); Iran's nuclear program under IAEA oversight.
  • ›Target this Legal Point: JCPOA (Joint Comprehensive Plan of Action) context; international law on targeting nuclear facilities.

Mastered this topic? Test your knowledge with a full MCQ quiz.

Practice exam-style questions, track your score, and strengthen your recall.

Q1Static LinkageEasy

Which international organization is primarily responsible for monitoring and verifying Iran's nuclear activities as mentioned in the context of the news?

Q2Statement-basedHard

Consider the following statements regarding the 'Pickaxe Mountain' facility:

1. It is located approximately 1.5 km south of the Natanz nuclear facility in central Iran.

2. The facility is built beneath solid granite rock to shield it from US bunker-buster bombs.

3. The US successfully destroyed the facility with 900-kg bunker-buster bombs in June 2025.

Which of the statements given above is/are correct?

Q3Data-centricMedium

According to the article, when did Iran reportedly start excavating the tunnel complexes at Pickaxe Mountain?

Q4Application/ImpactMedium

What is the primary strategic objective behind Iran constructing the 'Pickaxe Mountain' facility as described in the article?

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