Geography and climate

The province covers 15821 km² between 48-45 to 50-50 east of Greenwich Meridian of longitude and 35-37 to 36-45 north latitude of the equator. The province is bounded on the north by Mazandaran and Gilan, on the west by Hamedan and Zanjan, on the south by Markazi and on the east by Tehran Provinces.

The famous mountains of the province are those of Siälän, Shäh Alborz, Khashchäl, Sephidkouh, Shojä e din, Alehtareh, Rämand, Ägh dägh, Kharaghän, Saridagh, Soltan pïr, and Siähkouh, in which Siälän with a height of 4175m and Shäh Alborz which is 4056m are the highest. All are part of the central chain of Alborz. The lowest point of the province is in Tärom e Soflä.

The climate of the province in the northern parts is cold and snowy in winters and temperate in summers. In the southern parts the climate is mild with comparatively cold winters and warm summers.