Dena

Dena is the name for a <a href="/facts/Sub-range/L7vxtr7A">sub-range</a> within the <a href="/facts/Zagros_Mountains/2h0Dr5nj">Zagros Mountains</a>, Iran. Mount Dena, with 80 km (50 miles) length and 15 km (49,000 ft) average width, is situated on the boundary of the <a href="/facts/Isfahan_Province/cb64IGj6">Isfahan</a>, <a href="/facts/Kohgiluyeh_and_Boyer-Ahmad_Province/hTvkua99">Kohgiluyeh and Boyer-Ahmad</a> and <a href="/facts/Chaharmahal_and_Bakhtiari_Province/6WwraNcw">Chaharmahal and Bakhtiari Provinces</a> of <a href="/facts/Iran/24yukge8">Iran</a>.
Mount Dena has more than 40 peaks higher than 4,000 metres (13,000 feet). Annual precipitation in Mount Dena ranges from 600 to 1,800 mm (24 to 71 in).
Geologically, Mount Dena is located in the <a href="/facts/Sanandaj/csEV47hp">Sanandaj</a>-<a href="/facts/Sirjan/TI48PfIA">Sirjan</a> geologic and structural zone of Iran and is mainly made of <a href="/facts/Cretaceous/nwKtFtKx">Cretaceous</a> <a href="/facts/Limestone/8ntvtFnR">limestone</a>.
On 18 February 2018, <a href="/facts/Iran_Aseman_Airlines_Flight_3704/8L1lPGQF">Iran Aseman Airlines Flight 3704</a> crashed into Mount Dena, killing all 60 passengers and 6 crew members on board.

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Dena