Yibin (simplified Chinese: ; traditional Chinese: ; Sichuanese Pinyin: ?i2bin1; Sichuanese : pinyin: ; Wade–Giles: ) is a prefecture-level city in the southeastern part of Sichuan province, Peoples Republic of China, located at the junction of the Min and Yangtze Rivers.
Its population was 4,471,840 inhabitants according to the 2010 census of whom 836,340 lived in the built-up (or metro) area made of Cuiping District. One can notice that Yibin County is being conurbated soon as urbanisation sprawls in the southwestern direction.
Human habitation of Yibin dates back at least 40,000 years. Yibin was established as a county in the Han dynasty (206 BC ? AD 220).
It was previously known as Suifu or Suifoo.
Yibin is located in the southeast portion of Sichuan at the southern end of the Sichuan Basin, bordering Zhaotong (Yunnan) to the south, Luzhou to the east, Liangshan Yi Autonomous Prefecture and Leshan to the west, and Zigong to the north, and has a total area is 13,283 square kilometres (5,129 sq mi). The city ranges in latitude from 27° 50?29° 16 N, and in longitude from 103° 36?105° 20 E, stretching 153 km (95 mi) east-west and 150 km (93 mi) north-south.
The city is located at the confluence of the Min and Yangtze Rivers. Above Yibin, the Yangtze is also known as the Jinsha River. Below Yibin, the Yangtze is known in Chinese as the Chang Jiang or "Long River."
As with the rest of the Sichuan Basin, Yibin has a monsoon-influenced humid subtropical climate (Koppen Cwa) with high humidity year-round; winters are short and mild while summers long, hot, and humid. The monthly 24-hour average temperature ranges from 7.8 °C (46.0 °F) in January to 26.6 °C (79.9 °F) in July and August; the annual mean is 17.80 °C (64.0 °F). Despite its location in the Yangtze River valley, it is still 1.5 to 2.0 °C (2.7 to 3.6 °F) cooler than Chongqing, located further downstream, in its warmest months. Frost is uncommon and the frost-free period lasts 347 days. Rainfall is common year-round but is the greatest in July and August, with very little of it in the cooler months. With monthly percent possible sunshine ranging from 10% in December and January to 42% in August, the city receives only 1,018 hours of bright sunshine annually; Yibin has one of the lowest annual sunshine totals nationally, lower than even nearby Chengdu and Chongqing. Spring (March–April) tends to be sunnier and warmer in the day than autumn (October–November).
The citys industry focuses on electronics, food products, and power generation. It also produces paper, silk, and leather products. The surrounding region is rich in agricultural resources, growing rice, barley, oil seeds, sesame, and tea.
There are several hot springs near Yibin, plus many other tourist attractions. Such attractions include the Bamboo Sea in Changning County and the Xingwen Stone Forest. Cuiping mountain in the centre of the city provides wonderful views of Yibin. Yibin is also the confluence of the Min and Jinsha Rivers, which together form the Chang Jiang as the Yangtze River is known in Chinese from Yibin to Shanghai.
The most significant scenic resource is Mountain Park (dashan gongyuan,????), which stretches for hundreds of kilometers.