• Connect with your tour guide in Hoin and depart for Cao Bang. 
• Stop in Lang Son to visit the historical Chi Lang border gate, Dong Khe Battle Field, Mother's Temple, and enjoy the breath-taking landscape of the mountainous areas in Northeast Vietnam on the way.
• Arrive in Cao Bang early in the afternoon. Now is time for you to explore the nature and local lives of ethnic Nung people. If time permits, there is a chance for you to hike up the mountain at the homestay village to get a panoramic view of the whole area in Cao Bang Geopark.

Meals: lunch / dinner

Accommodation: Homestay of Nung people

• Wake up early to enjoy the fresh air of this rural paradise. After a local breakfast, hit the road to Ban Gioc Waterfall - the fourth biggest border waterfall in the world, which locates right at the border of Vietnam and China. Get on the boat to move closer to the waterfall and time for photos.
• After the falls, move further to Nguom Ngao Cave - one of the best limestone caves in Cao Bang with unique and beautiful stalactites and stalagmites.
• Have your lunch and travel to Ba Be National Park on a 3.5-hour drive through 4 mountain passes with the awesome landscape. 

Meals: breakfast / lunch / dinner

Accommodation: Homestay of Tay people by the lake

• Today, enjoy one last exotic breakfast before a 3-hour boat trip around the lake. Stop at Cam village, which is located on the bank of the local Nang river, to have a short walk and enjoy the landscape or learn more about the 
• After that, move on along the Nang River to reach Puong Cave, filled with an incredible chain of limestone stalactites and stalagmites, and of course, the mysterious bats. 
• End at Buoc Lom Wharf, where you make a farewell to Ba Be and return to Hanoi.

Meals: breakfast / lunch