Dena (in Luri and Persian: دنا‎) is the name for a sub-range within the Zagros Mountains. Mount Dena, with 80 km (50 mi) length and 15 km (49,000 ft) average width, is situated on the boundary of the Isfahan, Kohgiluyeh and Boyer-Ahmad and Chaharmahal and Bakhtiari Provinces of Iran.[1]

Mount Dena
Dena Mountain-Iran-Mar2012.JPG
A view of Mount Dena from the north, from the road between Yasuj and Semirom
Highest point
Elevation4,409 m (14,465 ft)
Prominence2,604 m (8,543 ft)
Coordinates30°57′N 51°26′E / 30.950°N 51.433°E / 30.950; 51.433Coordinates: 30°57′N 51°26′E / 30.950°N 51.433°E / 30.950; 51.433
Length80 km (50 mi)
Width15 km (9.3 mi)
Language of namePersian and Luri
Mount Dena is located in Iran
Mount Dena
Mount Dena
Mount Dena is located in Asia
Mount Dena
Mount Dena
Topography of Iran
Dena Range as seen from South West

Mount Dena has more than 40 peaks higher than 4,000 metres (13,000 feet). With an elevation of 4,409 metres above sea level, Qash-Mastan is the highest peak in the Dena Range and in the Zagros Mountains in general. Another known peak in this range is Hose-Daal close to the city of Sisakht, 30 km (19 mi) to the north of Yasuj.

Annual precipitation in Mount Dena ranges from 600 to 1,800 mm (24 to 71 in) and various rivers including a branch of the Karun rise in this range.

Geologically, Mount Dena is located in the Sanandaj-Sirjan geologic and structural zone of Iran and is mainly made of Cretaceous limestone.[2]

On 18 February 2018, Iran Aseman Airlines Flight 3704 crashed into Mount Dena, killing all 65 people on board.[3][4]


See alsoEdit


  1. ^ Microsoft Encarta World Atlas, 2001, Microsoft Corporation
  2. ^ Geological Map of Iran, National Geoscience Database of Iran,
  3. ^ "Passenger plane crashes in southern Iran, killing 65 on board". NBC News. Retrieved 2018-02-18.
  4. ^ "Agonising wait for Iran crash relatives". BBC News. 19 February 2018.
UNESCO Biosphere Reserves in Iran[1]