Bac Son is a district of Lang Son province;
it's 160km from Hanoi to the North. From Hanoi go along Highway 3 to Thai
Nguyen and turn to the National Highway 1B, moving nearly 80km you will go to
Bac Son.
On 10 January 2015, in Mau
Son Tourism Area (Lang Son Province), Lang Son Department of Culture, Sports
and Tourism will organize Mau Son Winter Tourism Festival 2015 to promote
tourism potential of Mau Son, and also attract tourists and investors to Mau
Son Tourism Area.