Itinerary in brief
Day 01: Hanoi Arrival
Day 02: Hanoi - Cao Bang
Day 03: Cao Bang - Ban Gioc Waterfall - Nguom Ngao Cave - Cao Bang
Day 04: Cao Bang - Ba Be Lake - Biking to Hua Ma Cave - Silver Waterfall
Day 05: Ba Be Lake - Boat trip - Dau Dang Waterfall - Transfer to Hanoi
Day 06: Hanoi - Halong - Hanoi
Day 07: Hanoi - Departure