 
The Çoruh Basin is one of the most spectacular nature reserves in Turkey. Its rich biological diversity is unique. This is a result of the varying altitudes of the valleys where the difference between the lowest and the highest point can reach up to 3,000 metres. In the region between Ispir and Yusufeli the vegetation and plant cover is astonishingly diverse. It varies from dry scrub to humid mixed deciduous forests and from rice paddies to alpine meadows. This is due to the extreme variations in climate within a very small area. Consequently, the many valleys of the Çoruh Basin host many unique plant species. There are estimated to be around 100 plant species endemic to the area or found in very few other places, including rare orchids, irises and pelargonium varieties.
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