Iran’s Pickaxe Mountain facility

Kuh-e Kolang Gaz La – Pickaxe Mountain – is a nuclear-related
site 30km northwest of Natanz, Iran. Construction began on the
complex in 2020 and it is not yet believed to be operational

IRAN

STRAIT OF
HORMUZ

TEHRAN

NATANZ

300 miles
500km

Natanz Nuclear
Facility was
bombed by U.S.
and Israel in
2025 and 2026

N

Pickaxe
Mountain
facility

Two pairs of
entrances likely
lead to same
100m-deep site

2007 tunnel
complex

1km
0.6 miles

Two hardened
entrances

Suspected
ventilation
shaft

100m
330 ft

Two hardened
entrances

Suspected
ventilation
shaft

100m
330 ft

Source: Institute for Science and International Security
Pictures: Google Earth
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