Ba Be Lake lies in the middle of a vast limestone mountain range of Ba Be District, Bac Kan Province, 180 km north-west of Ha Noi, belong to the commune of Nam Mau, Khang Ninh, Cao Thuong, Quang Khe, Cao Tri.
Ba Be Lake have a water area around 500ha, spreading over 8km, as
biggest natural water lake in Vietnam, situated in Cho Ra-Ba Be-Cho Don
carste terrain pertaining to lowlying lands of Vietnam North raising
mass. This raising mass was formed from the destruction of South East
Asia continental mass at the end of Cambri era, around 200 million
years ago. Due to its special geological constitution, the Lake has
very original and special features compared with other world-wide
carster lakes :world carster lakes are spent or only with one-season
water, while Ba Be Lake has its permanent full-water.
By decision No.41/-TTg dated 10.1.1977, Vietnam Prime Minister recognized Ba Be Lake as a forest preserve area.
By
decision No. 83/TTg dated 10.11.92, Vietnam Government gave its
approval on the econo-technical study on Ba Be National Park
conservation.
Ba Be National Park takes a 23,340ha area in 7
communes of Ba Be district, Bac Can province on the North West of
Hanoi. The terrain covers most of limestone rocks inserted with a few
earth hills with medium to abrupt slope, a 150-1,535m average height
(from sea level) and is laid completely within the South-West valley of
Phiabyior Range with 1502, 1517 to 1525m peaks.
Ba Be Lake is Ba
Be National Park Center with likely special configuration contracted in
the middle and swollen out on the two ends, surrounded by cliffs with
very original and attractive forms and shapes. Through influenced by 3
rivers flows discharging their water into the Lake, lake water remain
always blue and its current velocity is kept on at 0,5m/sec. giving the
take both lake and river characteristics.
The lake has an
average depth from 20 to 25m and is deepest at 35m. Lake bed is not
plain but with much of submersible mounts and grottoes. There are ideal
home ranges for aquatic animals.
With an area around 500ha, the Lake plays a great role in spate distribution for Nang, Gam and Lo rivers deltas.
According
to primary survey documents, 417 species of trees including 300
branches, 114 parenties.Also, hundreds of orchids and species of
medicine-plants. The system of animals including; land, aquatic and
flying animals covering 319 species of animals in 27 forms, 85
parenties in which 42 species recorded in Vietnam Red Book with 3
endemic anima l species that are gibbon (snub no se) Bamboo-Thread and
Red Algae.
Ba-Be lake is the centerpiece of Ba Be National Park, a lush and
peaceful oasis where the tropical rainforest is relatively
well-preserved, as hunting and fishing are restricted, and the
villagers receive subsidies not to cut the trees. The lake is 1km wide
and 9km long, surrounded by tall limestone cliffs. The local fishermen
ride typical narrow dugout boats. Besides the tiny village of Pac Ngoi
and a few houses south of the Lake, nobody lives on the shores of the
lake. There is no recent development to spoil the scenery. In general,
visitors spend the night in Cho Ra (18km).