Yumenguan South Branch Great Wall

The starting point coordinates of the Yumenguan South Branch Great Wall are: East longitude: 093°50′35.00″ North latitude: 40°22′21.60″ Elevation: 1015 meters; the end point coordinates are: East longitude: 093°51′47.30″ North latitude: 40°21′01.10″ Elevation: 1025 meters. Length: 3924 meters.The general direction of this section of the Great Wall is northeast-southwest. It was built on the sand ridge on the northeastern shore of the Yangshui Haizi saline-alkali lake. The Great Wall was built along the undulating terrain of the sand ridge. It was built with reeds and gravel, and was poorly preserved. Most of the wall was in the shape of sand ridges due to long-term wind and rain erosion, sand erosion, and alkali collapse.Wall bottomWidth 2.2m - 4.6m,The top width is 0.40m-0.60m.Balance 0.10 US - 0.50 US.