Djur-djur (; ) is a waterfall located on the Ulu-Uzen river in the Crimean Mountains of Crimea. Its height is . Djur-djur has never dried up, even in the dry years. Its water falls into a small lake, and then flows into the river channel, which flows into the sea near the village Soniachnohirsk.
The name of the waterfall ëMurmurousû, named as onomatopoeia running water. According to one version the name originates from Armenian language ëdjurû (ÃÂøÃÂÃÂ) (literally â "water-water"). According to another of Iranian languages ëDjurû â an onomatopoeia of running water.