The mountainous area of Dinar or Dena spans over the townships of Brujen, Semirom and Boyer Ahmad, covering an area of 2,200 sq. km. The highest peak is Dinar reaching an elevation of approximately 4,409 m. Several rivers take their source in the northern, southern and eastern skirts of this mountain. The elevated peaks of Dinar are snow-capped for almost a good portion of the year.
