Thap Lan National Park It is a national park in the northeastern and eastern regions. covers the area of Pak Thong Chai District Wang Nam Khiao District, Khon Buri District, Soeng Sang District, Nakhon Ratchasima Province and Na Di District, Prachin Buri Province. The forest condition is fertile and there is a forest which is rare to see only in some localities. There are trees that grow naturally. It is the source of various rivers and streams and has beautiful nature such as cliffs, cliffs and waterfalls. It is considered the second largest national park in Thailand. After Kaeng Krachan National Park on July 14, 2005, Khao Yai National Park Thap Lan National Park Pang Sida National Park Ta Phraya National Park And the Dong Yai Wildlife Sanctuary has been declared a natural world heritage site by UNESCO under the name "Dong Phayayen-Khao Yai Forest Group", Thap Lan National Park. Received the Green National Parks Gold Level (Excellent) 2020