Hoanh Bo is a district of Quang Ninh Province in the north-east region of Vietnam. The district covers an area of 824 km². We at Golden Trekking Tours Vietnam don’t run any trekking tour in the district of Hoanh Bo. If you look for Hoanh Bo treks, Hoanh Bo hikes, hiking Hoanh Bo Vietnam, Hoanh Bo trekking tours, Hoanh Bo hiking tours you should move further north to Binh Lieu district, or other neighboring provinces such as Ha Giang, Lang Son, Cao Bang…