Sichuan Basin
basin in Sichuan, China

The Sichuan Basin (Chinese: 四川盆地; pinyin: Sìchuān Péndì), formerly transliterated as the Szechwan Basin, sometimes called the Red Basin, is a lowland region in southwestern China. It is surrounded by mountains on all sides and is drained by the upper Yangtze River and its tributaries. The basin is anchored by Chengdu, the capital of Sichuan province, in the west, and the direct-administered municipality of Chongqing in the east. Due to its relative flatness and fertile soils, it is able to support a population of more than 100 million. In addition to being a dominant geographical feature of the region, the Sichuan Basin also constitutes a cultural sphere that is distinguished by its own unique customs, cuisine and dialects. It is famous for its rice cultivation and is often considered the breadbasket of China. In the 21st century its industrial base is expanding with growth in the high-tech, aerospace, and petroleum industries.
Geography
The Sichuan Basin is an expansive 229,500 km2 (88,600 mi2) lowland region in China that is surrounded by upland regions and mountains. Much of the basin is covered in hilly terrain. The basin covers the eastern third of Sichuan Province and the western half of Chongqing Municipality.
“Sichuan Basin” enters the record as basin in Sichuan, China. Crown Archives preserves that source wording while asking what Sichuan, Basin and basin can confirm, complicate or overturn.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jul 2, 2026. The linked authority identifier is Q271294. Authority coordinates are 30.502, 105.502. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.
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This entry incorporates text from “Sichuan Basin” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.