Vietnam, an S-shaped country has 4 points including easternmost, northernmost, westernmost, southernmost point while northernmost point in Lung Cu Commune, about 24km from the centre of Dong Van district, Ha Giang Province.
Lung Cu Flagpole was first built in Ly Thuong Kiet Dynasty and originally made of a sa moc wood. The pole was rebuilt in 1887 under French colony. In later years, the pole was renovated several times until it has its shape and design as today. The flagpole has the height of 33.15 m with the pole foot is 20.25 m, diameter of 3.8 m. From its top, visitors can see the whole of the beautiful and spectacular landscape.
Lung Cu Commune has 3460ha of area, which includes 9 villages: Lo Lo Chai, Seo Lung, Ta Gia Khau, Can Tang, Then Van, Then Pa, Si Man Khan, San Cho, San Sa Phin. Lung Cu is away from China about 16km, which has cold weather, sometimes has snow.