Phu Chong Na Yoi National Park, Ubon Ratchathani

Phu Chong Na Yoi National Park is about 686 square kilometres and covers areas of Buntharik District, Na Chaluai District, and Namyuen District. It also borders with Lao PDR. and the Kingdom of Cambodia, so it is known as the “Emerald Triangle”. It is an area of the Phanom Dong Rak Mountains with abundant forest. Interesting places in the Park include: Kaeng Kalao is rocky rapids in the middle of Huai Luang with streams flowing wide along the stone area. The atmosphere is shady with various plants and butterflies, which is suitable for a nature study and swimming. Huai Luang Waterfall (Bak Teo Waterfall) is a large waterfall. It is caused by Huai Luang falling from a cliff from a height of about 50 metres. Below is a large basin. The water surface is emerald green, and there are clean white sandy beaches suitable for swimming. At the top, there is a viewpoint where visitors can take photos. From the Visitor Centre of the Waterfall, there is a walkway with 272 steps down to the basin below. The best time to visit is August – February. There are many restaurants in front of the Waterfall’s entrance. Kaeng Silathip is caused by Huai Luang flowing past the sandstone terrace through broken rocky rapids until a small waterfall is formed. Around the stone terrace in the middle of the stream a phenomenon occurred, a “Giant’s kettle”, which is a rock formed into small and large round holes that are shallow and deep according to the strength of the water making it look strangely beautiful. Keng Mae Phong Waterfall is accessible by all-wheel drive vehicles and on foot. It is located in the middle of an unspoiled forest and originated from Lam Dom Noi. The river flows past the stone terrace and falls from a cliff at a height of about 10 metres. During the rainy season, moss and ferns grow green all over the rocks. Under the Waterfall’s cliff, there is a walkway under a water curtain across to the opposite rocks, which offers a wonderful view. Phlan Kongkwian is a vast rock terr