Ninh Binh - Cue Phuong National Park: 120 km south-west of Ha Noi, the country's largest nature reserveThe two-day tour: - VND 650,000 for an adult- visit Tam Coc, take a boat through the caves...- leave Ha Noi at 6 a.m., leave the park at 5 p.m. on the next day The three-day tour: - VND 900,000 for an adult- visit Tam Coc, cycle to the ancient capital of Hoa Lu...- leave Ha Noi at 6 a.m., leave the park at 5 p.m. on the third day Book early to get a discount.