Ecological and geographical situations of Lorestan province : covering 28560 square kilometers western Iran beween 41 .22 and 50 . 30 eastern longitudes and 32.37 and 34.22 northern latitudes . It is bordered northward by Markazi (khomein and Arak townships) and Hamadan (Malayer and Nahavand townships ) provinces , southward by Khuzestan , eastward by Esfahan province . (Faridan and Golpayegan township ) and weatward by kermanshah and Ilam provinces . Parallel mountain ranges , plains and deep valleys are scattered amid soaring montains , from general appearance of the province .

 Generally , parallel Zagros ranges , from weatern north ward to eastern south ward and narrow and long plains which are located between mountain ranges , fromm Lorestan province . The highest and main mountain ranges , are Garin in eastern north ward and kower (Kabir Kouh) in weatward of the province . Searching region ecosystem shows that its ecological situations hass been compatible to settle and to live human from the end of Pleistocene period . This province as a part of Zagros region , Owing suitable conditions to live , is one of the most ancient region to live in the world which has been continued in various periods of human life and its changing and evolutionary . Although , this region has not been studied completely by paleontologists but , archeological testimonies , states human living from middle stone archeologic periods up to now which has been continned during the history .