A man who failed to climb the tallest peak in this mountain range later wrote a "Dictionary of Geography," while its second tallest peak was first ascended in 1902 by the Bornmuller brothers from Germany. This range includes the Ridge of the Seven Summits and the Pass of a Thousand Windings, and its northern slopes are infamous for being inhabited by Hyrcanian tigers. Also home to the pristine Lake Ovan, its highest peak is in the Mazandaran province. That peak is Mount Damavand, where the dragon Azhi Dahaka was supposedly bound in chains. This
A man who failed to climb the tallest peak in this mountain range later wrote a "Dictionary of Geography," while its second tallest peak was first ascended in 1902 by the Bornmuller brothers from Germany. This range includes the Ridge of the Seven Summits and the Pass of a Thousand Windings, and its northern slopes are infamous for being inhabited by Hyrcanian tigers. Also home to the pristine Lake Ovan, its highest peak is in the Mazandaran province. That peak is Mount Damavand, where the dragon Azhi Dahaka was supposedly bound in chains. This range lies north of the Zagros Mountains and stretches east into Turkmenistan. FTP, name this mountain range of northern Iran. 
A man who failed to climb the tallest peak in this mountain range later wrote a "Dictionary of Geography," while its second tallest peak was first ascended in 1902 by the Bornmuller brothers from Germany.
Elburz Mountains [or Alburz Mountains or Elborz Mountains. There are several names for this so accept any reasonable equivalents that include Elburz]