The length of Yangtze River is 6,300-kilometer-long. The Yangtze River is China's longest river and the third longest in the world, after the Nile in Africa and the Amazon in South America.
And according to different geographical situation.
Yibin – Lanjiatuo 1.8 meters depth
Lanjiatuo – Louxigou 2.5 meters depth
Louxigou – Yangjiaotan 2.7 meters depth
Yangjiaotan – Baiwei 2.9 meters depth
Baiwei – Wuqiao 3.2 meters depth
Wuqiao – Huanhekou 4.0 meters depth
Huanhekou – Yangziji 4.5 meters depth
Yanziji – Longzhuayan 10.5 meters
In the course of this valley, the river's elevation drops from above 5000 m to less than 1000 m. The headwaters of the Yangtze are situated at an elevation of about 4,900 m (16,100 ft). In its descent to sea level, the river falls to an altitude of 305 m (1,001 ft) at Yibin, Sichuan Province, the head of navigation for riverboats, and to 192 m (630 ft) at Chongqing. Between Chongqing and Yichang (I-ch'ang), at an altitude of 40 m (130 ft) and a distance of about 320 km (200 mi), it passes through the spectacular Yangtze Gorges, which are noted for their natural beauty but are dangerous to shipping.
Yangtze River width: The narrowest place of Yangtze River is 18 km in Nantong Jiangsu part, while the widest place of it is 90 km in Shanghai part.
More details can be found by click here.