Mount Lu or Lushan is a mountain situated in Jiujiang, China. It was also known as Kuanglu in ancient times. The mountain and its immediate area are officially designated as the Lushan National Park, and it is one of the most renowned mountains in the country. Mount Lu is located primarily in Lushan City within Jiujiang, although its northern portions are found in Jiujiang's Lianxi District. The oval-shaped mountains are about 25 kilometers (16 mi) long and 10 kilometers (6.2 mi) wide, and neighbors Jiujiang and the Yangtze River to the north, Nanchang to the south, and Poyang Lake to the east. Its highest point is Dahanyang Peak (大汉阳峰), reaching 1,474 meters (4,836 ft) above sea level. Dahayang Peak is also one of the hundreds of steep peaks that tower above the so-called sea of clouds that can encompass the mountain for almost 200 days each year.

Jiujiang, formerly transliterated Kiukiang or Kew Keang, is a prefecture-level city located on the southern shores of the Yangtze River in northwest Jiangxi Province, People's Republic of China. It is the second-largest prefecture-level city in Jiangxi province.