Cuc Phuong National Park lies at the south-eastern extent of a limestone range that runs north-west to Son La province. This limestone range predominantly comprises karst, marine in origin and perhaps 200 million years old. The section of the limestone range encompassed by the national park

Hiking Near Hanoi: Cuc Phuong National Park is the centerpiece of Vietnam’s conservation efforts and one of the most accessible parks in the country. Vietnam’s largest and first national park, Cuc Phuong beauty and a few of its thousands of species of plants and animals can be seen with the help of a local park ranger.