Dena is a mountain range within the Zagros Mountains

Zagros Mountains

The Zagros Mountains are the largest mountain range in Iran and Iraq. With a total length of 1,500 km , from northwestern Iran, and roughly correlating with Iran's western border, the Zagros range spans the whole length of the western and southwestern Iranian plateau and ends at the Strait of...

 of West/Southwestern Iran

Iran

Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

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The Dena is a part of the Zagros mountain range, situated on the boundary of the Isfahan, Kohgiluyeh and Boyer-Ahmad  and Chaharmahal and Bakhtiari province

Chaharmahal and Bakhtiari Province

Chaharmahal and Bakhtiari Province is one of the 31 provinces of Iran. It lies in the southwestern part of the country. Its capital is Shahrekord.It has an area of 16,332 square kilometers and a population of 842,000 .- People and culture :...

s. Other famous peaks in this range include Kal Ghedvis, Ghash Mastan (Bizhan 3), Bizhan 2, Bizhan 1, and Pazan Pir.

Dena is located near Sisakht

Sisakht

Sisakht is a city in and the capital of Dana County, Kohgiluyeh and Boyer-Ahmad Province, Iran. At the 2006 census, its population was 6,342, in 1,528 families....

, 30 km to the north of Yasuj

Yasuj

Yasuj is a city in and the capital of Kohgiluyeh and Boyer-Ahmad Province, Iran. At the 2006 census, its population was 96,786, in 20,297 families.Yasuj is an industrial city in the Zagros Mountains of southwestern Iran...

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