Iranian Cavers Discover World’s Fourth Largest Cave Room

April 2, 2013 / Iran, Asia
Ghar-e-Dosar's outline overlaid on Google Earth Satellite imagery.

Ghar-e-Dosar’s outline overlaid on Google Earth Satellite imagery. Photo via Iran Speleo

Iranian Cavers exploring a new cave have discovered one of the largest rooms in the world.

The limestone cave which contains it is known as Ghar-e-Dosar and is located near Mehriz, Yazd in central Iran.

Explored by cavers from Yazd and Isfahan, the explorers descended a winding vertical entrance for about 40 meters (130 feet) before entering a massive chamber.

On a return visit on February 29th, 2012, a team of eight cavers surveyed the cave. The results of their work has now finally been computed, with the dimensions of the sloping oval-shaped room found to be 385 meters (1263 feet) long by 265 meters (869 feet) wide with a height of about 70 meters (230 feet). At the deepest end of the chamber, the total depth of the cave is -143 meters (469 feet).

Using AutoCAD, the team was also able to calculate that the size of the room is some 81,000 square meters (20 acres), making it, according to caverbob.com’s list of the world’s largest rooms, the fourth largest in the world.

Ghar-e-Dosar's Profile View.

Ghar-e-Dosar’s Profile View. Survey via Iran Speleo

Ghar-e-Dosar Plan View.

Ghar-e-Dosar Plan View. Survey via Iran Speleo

Ghar-e-Dosar, 4th largest cave room in the world [Persian Cavers via Saeed Hasheminezha] & گزارش دوم غار دوسر یزد [Iran Sepleo via Saeed Hasheminezhad]

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Comments (4)

  1. Kip Baumann
    April 3, 2013 at 12:28 am

    Height should be corrected to 230 feet = 70 meters.

    • Caving News
      April 3, 2013 at 5:41 pm

      Good catch!

  2. April 3, 2013 at 9:58 am

    But It’s not so big at Volume – after 20 place… ;-)

  3. September 6, 2013 at 4:07 pm

    i want to know where it is

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