Changpong District, located at the north-western part of Beijing, is known as a land of hot spring with its abundant resources of terrestrial heat. Among Changping hot springs, the hot spring of Xiaotang Mountain is the most famous one.
Xiaotangshan hot spring stems from a diastrophism happened in the Cretaceous period. Different from those geothermal or magma hot springs, Xiaotangshan hot spring features limpidity and sulfur-free. It is the only one area having outer natural hot spring in the Beijing Plain. The spring comes out in the palace under-earth 2,000 meters, with a highest temperature of 52°C, covering an area of 85.6-square-kilometre. For its abundant resources of terrestrial heat, widely application, and intensive exploring, Changping District becomes the representative region of developing and applying the terrestrial heat. And it is therefore name as the land of hot spring by Mining Industry Association of China.
