Historical Route number 4 C
Ba Be lakes
The biggest lakes in the North of the country. Ba Be Lakes is
located 145n above sea level and are surrounded by chains of
limestone rocks with numerous caves and underground rivers. The
panorama of Ba Be Lakes is like a fascinating Chinese ink
painting. Next to Ba Be Lake are Ao Tien and Dau Dang Waterfalls,
both of these are wonderful sites for explore.
The way from Hanoi to Caobang is 272km long passing many slopes
and passes. Caobang has the border with China. The whole province
is at the height of about 1,000m elevation, the climate is very
close to the temperate one, cool weather lasts around the year. In Trung Khanh and Tra Linh areas there are snowfalls in the winter.
Pac Po valley is 55km in the north direction of Caobang town. The
name Pac Po means "the mouth of the spring"; this is where a
spring starts pouring out and then creating the Trung and Mang
After 30 years of tramping about abroad through thick and thin in
search of a way to save the country, on 8 February 2021 President
Ho Chi Minh had returned to the fatherland and chose Coc Bo cave
in this valley as his living and working place. In Coc Bo cave,
there is a stalactite which looks like a Karl Marx statue
therefore President Ho Chi Minh named it Karl Marx. Under the
mountain there is a limpid spring, which was named Lenin by the
The place with the mighty nature charming sights is very
attractive to ecology tourists and history researchers.
Ban Gioc water Fall
Ban Gioc is the most beautiful and imposing waterfall in Vietnam.
Together with the mountains, rivers and marvelous grottoes in the
area, ban Gioc is an attractive tourist site for visitors.
Dong Khe & That Khe - historical sites
( on the way to Langson )
Since the old time, many beautiful images about Langson such
as Vong Phu mountain, Tam Thanh pagoda, Ky Lua street, etc. have
entered into poems and literatures and imprinted on the mind of
the Vietnamese people. Although being a mountain province located
on the Sino-Vietnamese border over a stretch of 253km, the
distance between Langson and Hanoi is only 154km by road. In
addition the railway Hanoi - Langson is fast and convenient.
Langson town situated on the left bank of Ky Cung river on
the height of
The distance between Langson and Dong Dang town is
14km. The Sino-Vietnamese border is only 3km from Dong Dang.
Dong Kinh Market & Ky Lua Market
Famous markets in the town.
Tam Thanh Grottoes
Tam Thanh Grottoes in Langson town consists of three caves Nhat
Thanh, Nhi Thanh and Tam Thanh. The most famous is Tam Thanh,
which located on the western end of Ky Lua street, inside the
chain of mountains, which have the shape of an elephant herd
crouching on the grassy field. The Tam Thanh cave lies in the
middle of the mountain, the entrance of the cave faces east with
the height of 8m. There are 30 stone steps making up the way
leading to the cave. On the right side wall of the cave there
remains a poem carved deep into the stone. The poem was written by
Ngo Thi Si (18th century) while he was stationed in Lang Son as
the commander of the Lang Son military post. The poem praises the
amazing beauty of Tam Thanh grotto: " the limpid spring flows over
hundreds of rock-top as if it is talking. Turn back to the
mountain to see the Vong Phu (awaiting one's husband)."
Vong Phu Mountain (lady To Thi)
To the northwest of the Tam Thanh grotto is Vong Phu mountain or
Lady To Thi. There is a high mountain peak resembling a woman with
a baby in her hands looking towards the far sky. The stone
therefore called Lady To Thi, the name of a character in the
legend about Lady To Thi waiting for her husband.