Ban Gioc Waterfall is considered as one of the invaluable natural gifts granted to Cao Bang Vietnam. After the waterfall is Que Son river with blue water reflected in the trees. The two sides of the river are beautiful poetic with grass, green mountain jungle pieces bring mysterious color, white clouds drifting quietly creating strange shapes. Across the river is China's neighboring country. To visit Ban Giaoc at any time will make you happy when the here also bring a fascinated beauty. Especially in the rainy season in the Ban Gioc waterfall from June to September is the time when the water cascades billowing, filled with white foam, bringing a sense of threat but also majestic.