Hoa An Cao Bang offers beautiful off the beaten path cycling holidays in north east Vietnam. Some of best Vietnam cycle tours are arranged around Hoa An include Hoa An bike adventures, Hoa An cycling holidays, northeast Vietnam road cycling tours, biking northern Vietnam, and Hoa An mountain biking trip. Hoa An Cao Bang is a mountainous district of Cao Bang Province in the northeast region of Vietnam. The district covers an area of 656 km².