Thang Hen lake, located in Tra Linh district in the northern mountainous province of Cao Bang, is about 50km away from Cao Bang city. It is surrounded by lush green forests and attracts a large number of travelers lured by its crystal blue water and natural scenery. Visitors can also explore the unique cultural characteristics of the Tay ethnic people who are local to the area.

Am Tien cave can be found in the Trang An Landscape Complex, in the northern province of Ninh Binh. The cave is famous for its ancient and unspoiled natural scenery. The majority of the cave area is made up of a flooded valley and surrounded by majestic mountains.

Am Tien cave is about 10km away from central Ninh Binh city. 

Trai Son limestone mountain in the northern city of Hai Phong is a popular check-in point amongst young travelers due to an adjacent lake with beautiful crystal blue water.

The spectacular Ta Pa lake in the Mekong Delta province of An Giang is located on the peak of Ta Pa Mountain in Tri Ton district. Apart from savouring the scenic views of the lake, tourists can also visit Ta Pa pagoda or Nui Pagoda in the region.

This beautiful lake in the Lac Duong district in the central highlands province of Lam Dong attracts visitors to enjoy its picturesque scenery, blue water and the spectacular surrounding mountains. 

The site is currently not open to tourists in order to ensure their safety due to deep water levels and difficult terrain.