The Devil's Bridge (Dyavolski most) over the Arda River, situated in a narrow gorge of Arda River near Ardino, in the Rhodope Mountains, Bulgaria. It was build in 15th century as a part of the ancient road connecting the lowlands of Thrace with the north Aegean Sea coast. The bridge is the largest of its kind in the Rhodopes, long 56 m and wide 3,5 m, with three arches, small semicircular arches and breakwaters to control the water level. According one of the legends, from atop the bridge can be seen the devil's reflection in the river below.