| Mount Dena | |
| Map: | Iran#Asia |
| Elevation M: | 4409 |
| Prominence M: | 2604 |
| Language: | Persian and Luri |
| Other Name: | Persian: {{nq|دنا |
| Length Km: | 80 |
| Width Km: | 15 |
| Highest: | Qash-Mastan |
Dena (in Luri and fa|{{nq|دنا) is the name for a sub-range within the Zagros Mountains, Iran. Mount Dena, with 80km (50miles) length and 15km (09miles) average width, is situated on the boundary of the Isfahan, Kohgiluyeh and Boyer-Ahmad and Chaharmahal and Bakhtiari Provinces of Iran.[1]
Mount Dena has more than 40 peaks higher than 4000m (13,000feet). Annual precipitation in Mount Dena ranges from 600to.
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 60 passengers and 6 crew members on board.[3] [4]