Pieniny National Park (Slovak: Pieninský národný park; abbr. PIENAP) is a national park in northern Slovakia. The park is located in the eastern Pieniny Mountains on the border with Poland. It is the smallest national park in Slovakia with an area of 37.5 km² (14.48 mi²) and its buffer zone covers an area of 224.44 km² (86.66 mi²).
Information center of Pieniny National Park beside Chata Pieniny (mountain hostel)
The park is located in the Slovak districts of Kežmarok and Stará Ľubovňa in the Prešov Region. The National Park was founded on 16 January 1967, and its borders were adjusted in 1997.
It is famous for its natural beauty, especially the Dunajec River Gorge, which is a popular rafting and hiking location. The park offers traditional folklore and architecture, especially the village of Červený Kláštor with the Museum of National Culture.