Hirmand River, the largest in the province, originates in the highlands of Afghanistan and is 1,390 km long. It is the mostimportant river of the eastern parts of Iran and western parts of Afghanistan. A section of this river, about 60 km Sistan, in the north of the province. Kalat River, 313 km long, which runs in the south of the province, and Bampour river, 275 km long, which passes by Iranshahr, are the two other major rivers of this province. Lake Hamoon, in the north of the province, is one of the most outstanding natural and environmental features of this province. A part of this lake falls within the Afghan territory. The lake and the region surrounding it provide suitable habitat for wide ranges of flora and fauna. The Hamoone Jazmoorian swamp lies partly in the provinces of Sistan_Va_Baluchestan, and partly in Kerman, Its maximum length is 52.5 km and its average width 21 km. This lake- swamp dries up in the warm season, leaving a muddy bed behind. The coast on the Sea of Oman, in the south of the province, is of great economic importance. It also provides great tourist and sport attractions. Chahbahar is the major port and also provides a most attractive natural spot, where water sports are common. Most of the mineral water springs of this province are to be found around Mount Taftan, the best known being Eskelabad, Ameni, and Barab in the west; Barabak, Jamchin and Doushing in the north; Zang and Morghab in the east; and Torshab in the south. Taftan is the most significant range of mountains of this province. The peak of Cheltan, 4,110 m high, is the province’s highest. There are three volcanoes in this range, through the mouths of which sulphur gases escape continuously. This mountain range lies in the southeast of the province, north of the mild and pleasant city of Khash. Mount Bazman, 3,497 m, and Mount Soleyman, 3,443 m, are the other major mountains in this province.