Lanzhou is the capital of Gansu Province is located in the geometric center of China's Land territory, urban north and south mountains from east to west over the Yellow River traverses the city, with ribbon basin character of the city, is located in the upper reaches of the Yellow River, is a temperate continental climate in winter and no cold , summer without heat, four seasons, suitable for Habitat. Average annual precipitation is 360mm, annual average temperature 9.3 ℃， annual average 2446 hours sunshine hours, frost-free period for more than 180 days. City tree: pagoda tree; flower: Rose.

Lanzhou is the only of the Yellow River Yellow River traverses the city, but after the capital cities, urban Yishanbangshui, mountain still water movement, forming a unique and beautiful urban landscape. To highlight the city landscape features, is now speeding up implementation of the inter mountain environment, green, and two tours of the Yellow River Culture comprehensive development project, the urban section of the Yellow River 40 kilometers of cross-strait road and bridge construction, reinforced embankments Xiuqi, shipping channel dredging, development of tourist attractions, city architectural style, as well as afforestation and beautification lighting integrated with the Silk Road culture, the Yellow River culture and the culture collection of them.