Paparoa National Park is on the west coast of the South Island of New Zealand. It was established in 1987 and encompasses 306 km². The park ranges from on or near the coastline to the peak of the Paparoa Ranges. A separate section of the park is to the north and is centered at Ananui Creek.
The park protects a limestone karst area. The park contains several caves, one of which is a commercial tourist attraction. The majority of the park is forested with a wide variety of vegetation.