What is the origin of why Dongting Lake is called "Dongting"?

Origin: The name of Dongting Lake began in the Spring and Autumn Period and was named after Dongting Mountain (now Junshan Mountain) in the lake.

Dongting Lake under Yueyang Tower is a relic of ancient Yunmengze. Its lake is very wide, and it has been known as the "eight hundred-mile Dongting" since ancient times. Although its area is now twice as large as before, it is still the second largest freshwater lake in China.

The smoke is vast, and the water and sky are the same. Dongting Lake consists of four great lakes, namely East Dongting Lake, West Dongting Lake, South Dongting Lake and Datong Lake. It presents the landscape of flowing swamp and river network plain, surrounded by mountains on the east, south and west, and is a horseshoe-shaped basin open to the north. The scenery by the lake is very beautiful.

Extended data

Dongting Lake, formerly known as Yunmeng, Jiujiang and Chonghu, is located on the south bank of Jingjiang River in the middle reaches of the Yangtze River, spanning Yueyang, Miluo, Xiangyin, Wangcheng, Yiyang, Yuanjiang, Hanshou, Changde, Tianjin, Anxiang and Nanxian counties and cities. The name of Dongting Lake began in the Spring and Autumn Period and the Warring States Period, and it was named after Dongting Mountain (now Junshan Mountain) in the lake.

Dongting Lake receives water from Songzi, Taiping, ouchi and Diaoxian counties of the Yangtze River, connects with four small tributaries of Hunan, Zi, Yuan and Li in the south and west, and flows into the Yangtze River from Chenglingji, Yueyang City. ?

Dongting Lake is an important storage lake in the Yangtze River basin, with strong flood storage capacity. It has saved the Yangtze River floods many times, and Jianghan Plain and Wuhan three towns have been able to survive the floods safely.

Dongting Lake is an important strategic place in history and the birthplace of China traditional culture. There are many scenic spots in the lake area, and the historic site represented by Yueyang Tower is an important tourism cultural resource. It is also the birthplace of Chinese traditional agriculture, the famous land of plenty, the most important commodity grain and oil base and aquaculture base in Hunan Province and even the whole country. ?

Dongting Lake was formed by Yanshan movement fault depression, which has been oscillating in negative direction since Quaternary, forming a dish-shaped basin with high periphery and low middle. There are island-like mountain protrusions at the edge of the basin about 500 meters, such as Taohua Mountain, Taiyangshan Mountain and Tai Fu Shan. The hills around the lake are below 250 meters above sea level, the lakeside hills 120 meters below are erosion terraces, and the basements and accumulation terraces below 60 meters.

The central accumulation plain is composed of lake deposits, alluvial rivers and lakes, estuary deltas and outer lakes, mostly 25-45 meters, showing the landform of water network plain. Dongting Lake is divided into West Dongting Lake, South Dongting Lake and East Dongting Lake. The ground at the bottom of the lake slopes slightly from northwest to southeast.

Dongting Lake presents the landscape of water swamp and river network plain, surrounded by mountains on the east, south and west, and is a horseshoe-shaped basin with high north and low southeast. The lake is almost u-shaped.

Baidu Encyclopedia-Dongting Lake