Phu Chong-Na Yoi National Park, National park in Thailand
Phu Chong-Na Yoi National Park spans an area of roughly 686 square kilometers.
The park was officially established in 1987 as Thailand's 40th national park.
The park's name refers to the overlapping mountains visible within its borders.
Best visiting periods are from November to February during the cool season.
Features a viewpoint that overlooks three countries: Thailand, Laos, and Cambodia.
Inception: 1987
Source: Wikimedia