Can I pay by USD or just by VNĐ ? January 8, 2016 January 8, 2016 Phong Nha Cave Dear valued customers, USD and VNĐ are accepted in our tour. You can exchange your currency by getting to Banks or Money store. Please remember that if you pay by USD, we take 1 USD by 21.000 VnĐ. It is better if you have VNĐ in payment. About Author Phong Nha Cave Previous postHo Chi Minh City to Phong Nha