Hetao () is a C-shaped region in northwestern

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

consisting of a collection of

flood plain A floodplain or flood plain or bottomlands is an area of land adjacent to a river which stretches from the banks of its channel to the base of the enclosing valley walls, and which experiences flooding during periods of high discharge.Goudi ...

s stretching from the

bank A bank is a financial institution that accepts deposits from the public and creates a demand deposit while simultaneously making loans. Lending activities can be directly performed by the bank or indirectly through capital markets. Because ...

s of the northern half of the

Ordos Loop The Ordos Plateau, also known as the Ordos Basin or simply the Ordos, is a highland sedimentary basin in northwest China with an elevation of , and consisting mostly of land enclosed by the Ordos Loop, a large northerly rectangular bend of the Y ...

, a large northerly rectangular bend of the

Yellow River The Yellow River or Huang He (Chinese: , Standard Beijing Mandarin, Mandarin: ''Huáng hé'' ) is the second-longest river in China, after the Yangtze River, and the List of rivers by length, sixth-longest river system in the world at th ...

that forms the river's entire middle section. The region makes up the northern margin of the

Ordos Basin The Ordos Plateau, also known as the Ordos Basin or simply the Ordos, is a highland sedimentary basin in northwest China with an elevation of , and consisting mostly of land enclosed by the Ordos Loop, a large northerly rectangular bend of the Y ...

, bounded in the west by the

Helan Mountains The Helan Mountains, frequently called Alashan Mountains in older sources, are an isolated desert mountain range forming the border of Inner Mongolia's Alxa League and Ningxia. They run north-south parallel to the north-flowing Yellow River in ...

, the north by the Yin Mountains, the east by the northern portion of Lüliang Mountains, and the south by the Ordos Desert and the Loess Plateau (separated by the course of the Ming Great Wall). The Hetao region is divided into two main sections — the "West Loop" () in Ningxia, and the "East Loop" () in

Inner Mongolia Inner Mongolia, officially the Inner Mongolia Autonomous Region, is an autonomous region of the People's Republic of China. Its border includes most of the length of China's border with the country of Mongolia. Inner Mongolia also accounts for a ...

. The west section includes the

alluvial Alluvium (from Latin ''alluvius'', from ''alluere'' 'to wash against') is loose clay, silt, sand, or gravel that has been deposited by running water in a stream bed, on a floodplain, in an alluvial fan or beach, or in similar settings. Alluv ...

Yinchuan Plain (, a.k.a. Ningxia Plain) around

Shizuishan Shizuishan, formerly Shizuizi, is a prefecture-level city in the Ningxia Hui Autonomous Region of the People's Republic of China. It is the northernmost prefecture in Ningxia and the second most populous, after the regional capital Yinchuan, bord ...

Yinchuan Yinchuan (, ; ) is the capital of the Ningxia Hui Autonomous Region, China, and was the capital of the Tangut-led Western Xia dynasty. It has an area of and a total population of 2,859,074 according to the 2020 Chinese census, and its built- ...

and Wuzhong, and the Weining Plain () around Zhongwei. The east section is further divided into two parts — the western "Back Loop" (), which includes the Bayannur Plain () around

Bayannur Bayannur or Bayannao'er (; mn, ''Bayannaɣur qota'', Mongolian Cyrillic Баяннуур хот) is a prefecture-level city in western Inner Mongolia, People's Republic of China. Until 1 December 2003, the area was called Bayannur League. Ba ...

and Wuhai; and the eastern "Front Loop" ), which includes the Tumochuan Plain () around

Baotou Baotou (; mn, Buɣutu qota, Бугат хот) is the largest city by urban population in Inner Mongolia, China. Governed as a prefecture-level city, as of the 2020 census, its built-up (''or metro'') area made up of its 5 urban districts is h ...

and

Hohhot Hohhot,; abbreviated zh, c=呼市, p=Hūshì, labels=no formerly known as Kweisui, is the capital of Inner Mongolia in the north of the People's Republic of China, serving as the region's administrative, economic and cultural center.''The Ne ...

. Unlike the arid

desert A desert is a barren area of landscape where little precipitation occurs and, consequently, living conditions are hostile for plant and animal life. The lack of vegetation exposes the unprotected surface of the ground to denudation. About on ...

steppe In physical geography, a steppe () is an ecoregion characterized by grassland plains without trees apart from those near rivers and lakes. Steppe biomes may include: * the montane grasslands and shrublands biome * the temperate grasslands, ...

environment near by, the Hetao plains are fertile

grassland A grassland is an area where the vegetation is dominated by grasses (Poaceae). However, sedge (Cyperaceae) and rush (Juncaceae) can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur natur ...

s quite suitable for

pastoral A pastoral lifestyle is that of shepherds herding livestock around open areas of land according to seasons and the changing availability of water and pasture. It lends its name to a genre of literature, art, and music (pastorale) that depicts ...

and

agricultural Agriculture or farming is the practice of cultivating Plant, plants and livestock. Agriculture was the key development in the rise of Sedentism, sedentary human civilization, whereby farming of Domestication, domesticated species created food ...

activities, and was frequently used by various

Eurasian nomad The Eurasian nomads were a large group of nomadic peoples from the Eurasian Steppe, who often appear in history as invaders of Europe, Western Asia, Central Asia, Eastern Asia, and South Asia. A nomad is a member of people having no permanent ...

s as a staging area for raiding east into the Central Plain and south into the Loess Plateau and Guanzhong Region. Throughout Chinese history, this region was of major strategic importance against northern invaders, particularly during the

Han Han may refer to: Ethnic groups * Han Chinese, or Han People (): the name for the largest ethnic group in China, which also constitutes the world's largest ethnic group. ** Han Taiwanese (): the name for the ethnic group of the Taiwanese p ...

and Tang dynasties.

See also