IRNA | Shoy Waterfall, which is located near the city of Dezful in southwestern Iran, is the biggest natural waterfall in the Middle East. Shoy Waterfall annually attracts thousands of tourists who have to walk a long distance to reach the village where the waterfall is located. The long and difficult walk starts in Teleh Zang and ends in the waterfall, which is located 90 kilometres away from Dezful.