Introduction of the constituent elements of the world, especially mountains in poems of Iran’s Persian language poets is very prominent, to the extent that it can be said that the elements around the poet, the world is considered as an inseparable part of Iranians’ poetry. Classical and modern poets have taken a large part of the fundamentals and framework of the structure of poetry from nature and the elements around them. Poets in both the old age and in the contemporary era, with a special consideration, have paid attention to the material world and reflected their different perceptions of mountains and the surrounding world in their poetry. Mountain is one of these natural phenomena, which poets have used as a mirror and reflected their mentality in different periods in their poems. The poets considered mountains as the place of gods, mystics, Sufis and their religious leaders. Ferdowsi, Attar, Shafiei Kadkani, Akhavan, Sepehri and most of poets considered mountains as part of the originality of their poetry, and some believed that life in the mountain was a sign of avoiding worldly attachments and reaching the spiritual world. And the result is humility and modesty before the only God. In this article, along with a quick look at the constructive elements surrounding the poets, mountain which is one of the common elements in classical and contemporary poets, has been analyzed and artfulness and mastery of the poets in using the mountain and the constructive elements of the environment to express their opinions and beliefs has become more evident. In this regard, the various functions of a specific mountain, Ghaf Mountain in the poem of some mystic poets are also have been taken into consideration. This research has been done by descriptive method and content analysis methodology. The results obtained from this research indicate that works of Persian poets depend on the mountains to express their high flying thoughts. The poets of the Iranian poems have repeatedly considered the mountain as a key to ascent to God and a symbol of seclusion and closeness to Allah.