An interesting tourist destination like Yoong Thong waterfall is located at Ban Sawang, Mu 2, Tambon Na Yoong. It is on Phu Phan mountain.

This national park is located in Ban Sawang, Mu. 2, Tambon Na Yung. Attractions of the park are: - Namtok Yung Thong, This waterfall is located on the ridge of Mount Phu Phan and Mount Phu Ya U, around 500 m. from the park headquarters. Its stream flows along attractive complicated boulders amid the greenery of trees. The small three-tiered waterfall has a pond where visitors can play. In the past, it was a habitat of peafowl, so the waterfall is called “Yung Thong” (golden peafowl). - Pha Daeng Viewpoint This viewpoint is around 1,500 metres. from the park headquarters and on the nature study trail of Namtok Yung Thong. Pha Daeng is a high steep sandstone cliff overlooking a beautiful panoramic view. Not far from Pha Daeng, there is a small cave where Luang Pu Man Phurithatto used to stay for insight development. - Namtok Yung Thong Nature Study Trail This walking trail is to offer nature interpretation for visitors along the way through Namtok Yung Thong, Namtok Tat Noi, and Pha Daeng viewpoint, covering the distance of around 2,000 metres. To get there: From town, go along Udon Thani-Nong Khai Highway for 15 kilometres. Turn left to Amphoe Ban Phue and head for Amphoe Nam Som. Turn right at Ban Sam Liam to Amphoe Na Yung and go further for around 15 kilometres. Turn right at Ban Sawang and take another 2 km. towards the park headquarters. Adult fee is 20-80 baht while children (under 14 years old ) fee is 10-40 baht ( depending on each park) and no charge for the kids under 3 years old. Students are charged with the same rate as children.