Reghez Canyon is the most beautiful canyon in Iran and includes more than 60 waterfalls and about 100 natural pools. The highest waterfall is called Azarakhsh (meaning thunder) with 65 meters height and the deepest pool is Kabootar (meaning pigeon) with 20 meters depth. This valley is located near Darab city which is a small city near Shiraz southern Iran. This canyon is about 2500 meter long and the best choice in Iran for technical climbers and canyoneers. The best time for canyoning is from April to August.