Before entering Khuzestan province, Karun river is known as Bazoft. Shortly before the Karun 4 dam, the Khersan river crosses the Bazoft river to form the massive Karun river.
About 10 kilometers south of Poldakhtar city and in the green village of Valiasr, there is a set of small and large lagoons, which is the habitat of many animal species.
This lake is located on a roaring river and the existence of very beautiful mountains along the lake, which are green and very depressing from mid-April to September, has created a unique view.
The position of the Opert Wall is such that it prevents clouds from passing from the north to the south, so the view of the cloud ocean can be seen in this area most days of the year.
Dorodzan Dam Lake is one of the largest lakes in Fars province, which has caused a great boom in agriculture in the region with abundant water storage.
Tang-e Boraq (Boraq Gorge) is another erosive gorge in the north of Fars province, which is located about 160 km from Shiraz and near a village of the same name.