ⓘ Tuul River
The Tuul River or Tula River is a river in central and northern Mongolia. Sacred to the Mongols, the Tuul is generally called the Khatan Tuul in Mongolian. It is 704 kilometres or 437 miles long and drains an area of 49.840 square kilometres or 19.240 square miles. The river is called the "Duluo river" in the Book of Sui, a Chinese historical work completed in 636 AD. The Secret History of the Mongols frequently mentions a "Black Forest of the Tuul River" where the palace of Wang Khan was located. The Ming dynasty was established by the progressive expulsion of the Mongol Empire from China. After capturing Beijing, the Mings founding Hongwu Emperor defeated the Mongols at the Tula River in 1372, driving them back to the Orhon River. The following Hongwu Emperor would find it necessary to defeat the Oirats at the river Tula again in 1414.
The river originates in Khan Khentein of Nuruu nature reserve in the mountains Hentea in Erdene sum of tov Aimag. From there it goes South-West until you reach the territory of Ulaanbaatar. Its water passes through the southern part of the capital of Mongolia, continues in a westerly direction, in large loops. When he meets the borders of Bulgan Aimag it turns North along that border. After joining Selenge Aimag, it empties into the Orkhon river near the centre Orkhontuul amount amount.
The Orkhon flows into the Selenge river, which flows into Russia and lake Baikal. The Tuul river also flows along the National Park hustain of Nuruu. It usually freezes over from mid-November to mid-April. Willow forests grow along the Tuul river, and the river itself is home to endangered species of sturgeon. Currently the river is suffering from pollution, some of Ulaanbaatars Central sewage treatment plants, as well as heavy mineral and sedimentation pollution caused by gold mining in the Zaamar region. In addition, the constant influx of people settling near the river may be the cause of the deterioration of water quality.