Pang Sida National Park is a popular destination for it's waterfalls, butterflies and birds.
The park comprises lush jungle mountains with valleys, cliffs, grasslands and waterfalls. The fertile forests includes moist evergreen forest, dry evergreen forest, deciduous dipterocarp, mixed deciduous forest, hill evergreen forest.
The landscape is complex high mountains. It is fertile and composed of many kinds of plants. The forests include moist evergreen forest, dry evergreen forest, dipterocarp forest and grassland which are the important sources of water and streams. Wild animals found in the park, for examples, bull, elephant, red bull, tiger, deer, barking deer, bear, warthog, and hornbill. Tourists can easily see the wild animals living in the nature like Khao Yai National Park. There was also found white-water crocodiles in the year 1991 in the area of Huay Nam Yen Forest, Amphur Muang , Sa Kaeo Province. It was expected to be the biggest and the last living place for crocodiles in Thailand.