Dena (in Lurish and Persian: دنا; also known as Dinar) is the name for a peak and a range within the Zagros Mountains of West/Southwestern Iran. Dena has an elevation of 4,409 meters above sea level. This makes Dena the highest known mountain in Zagros.
Dena is a part of the Zagros mountain range, situated on the boundary of the Isfahan, Kohgiluyeh and Boyer-Ahmad and Chaharmahal and Bakhtiari provinces. 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, 30 km to the north of Yasuj.