Migratory poets, particularly the poets of The Pen League, has used a number of concepts in their writings, including human, society, politics, etc. However, "nature" had a significant role in their works. They used it as a beautiful charming phenomenon that is deserved to be described, in one hand, and as a mean to convey their message to their readers, in another hand. And there are sometimes contradictions in what these poets have written. And since there is an undeniable position for the nature in the work of the poets of this association, its aspects need to be studied and fully analyzed so the aim of these poets of using it in their writings could be understood. Gibran Khalil Gibran, who has a special position in the Arabic literature, is characterized by many aspects; which made him the father of many migratory poets. And as his personal and romantic life made him a special personality, the "nature" had a philosophical and artistic characteristic to him. Gibran was a painter and a photographer and he was influenced by the great European philosophers, and he also travelled to various cities and lived among different societies which affected much on his behaviors and manners, and consequently, on his literature, in which "nature" has a remarkable rank. This article investigates the concept of "nature" according to Khalil Gibran from different perspectives and tries to shed light upon Gibran's literature of nature, who was able to draw masterpieces out of words; nevertheless, we find contradictions in his views on human nature as he moves away from it when it contradicts his personal views and he even objects some matters that harmonize with human nature and temperament. Among the most significant results of this research, is that Gibran has used the elements of the nature in his works due to several reasons, one of which is to attract the readers by the beauty of the places he describes. The research also proves the influence of philosophical thoughts on his literature which made him opposed the material life, and consequently, caused his sympathy for the nature. This research follows a descriptive and analytic approach which is mostly based on analyzing selected examples of his poems.