From: The name of Dongting Lake began in the Spring and Autumn Period, and it was named after the Dongting Mountain in the lake (i.e., today's Junshan Mountain).

Dongting Lake under the Yueyang Tower is a remnant of Yunmengze in ancient times, and its surface is so wide that it has been said to be "800 miles of Dongting" since ancient times. Although it is now twice as large as it used to be, it is still the second largest freshwater lake in China.

Smoky waves, water and sky. Dongting Lake consists of four larger lakes, namely, East, West and South Dongting Lake and Datong Lake, presenting a landscape of flowing marshes and river-network plains, surrounded by mountains in the east, south and west, with an open horseshoe-shaped basin in the north, and beautiful lakeside scenery.

Dongting Lake, ancient name of Yunmeng, Jiujiang and heavy lake, in the middle reaches of the Yangtze River on the south bank of the Jingjiang River, across the counties and cities of Yueyang, Miluo, Xiangyin, Wangcheng, Yiyang, Yuanjiang, Hanshou, Changde, Jinshi, Anxiang and Nanshixian. The name of Dongting Lake began in the Spring and Autumn Period and the Warring States Period, and was named after the Dongting Mountain (i.e., today's Junshan) in the lake.

Dongting Lake receives water from the four mouths of the Yangtze River, namely Songzi, Taiping, Lotus Pond and Tiaoqin, in the north, and the four waters of Xiang, Zi, Yuan and Li, as well as small tributaries such as the Miluo River, in the south and west, and is injected into the Yangtze River at Chenglingji, Yueyang City.

Dongting Lake is an important storage lake in the Yangtze River basin, with a strong flood storage capacity, has made the Yangtze River floods countless times, the Jianghan Plain and the three towns of Wuhan can be safe over the flood.

Dongting Lake is a historically important strategic location, the birthplace of traditional Chinese culture, the lake area has a lot of attractions, represented by the Yueyang Tower of historical sites is an important tourism and cultural resources. It is also the birthplace of traditional Chinese agriculture, the famous land of fish and rice, and the most important commercial grain and oil base, aquatic and aquaculture base in Hunan Province and even in the country.?

Dongting Lake is formed by the Yanshan movement subsidence, the Quaternary period to the present, are in the oscillatory negative movement, the formation of the periphery of the high, the middle of the low flat disk-shaped basin. The edge of the basin has peach blossom mountain, sun mountain, too floating mountain about 500 meters of the island-like mountain protrudes, around the lake hill elevation of 250 meters below the lake, the lake post below 120 meters for the erosion of terraces, below 60 meters for the base and accumulation of terraces.

The central part of the lake by the lake accumulation, river and lake alluvial, estuarine delta and the outer lake composed of the accumulation of plains, mostly in 25 ~ 45 meters, showing the water network plains landscape. Dongting Lake is divided into West, South and East Dongting Lake. The ground at the bottom of the lake slopes slightly from northwest to southeast.

Dongting Lake presents a stream of swamps, river network plains landscape, east, south and west of the mountains, the northern open horseshoe-shaped basin, high in the northwest, low in the southeast; the lake is similar to the "U" shape.

Baidu Encyclopedia-Dongting Lake