Phu Soi Dao National Park 

     Phu Soi Dao National Park covers an area of 149,375 rai and Amphoe Ban Khok, Amphoe Nam Pat, Uttaradit, and Amphoe Chat Trakan, Phitsanulok. Geographically, it consists of high mountains along the Thai-Lao border, whose summit is Phu Soi Dao which is 2,102 metres above sea level. Its topography consists of high mountains covered with undulating hill evergreen forest with prairie and pine forest such as the forest of Son Sam Bai (Pinus Kesiya). It is cool nearly all year with various kinds of wild flowers such as Ngon Nak (Murdannia giganteum) and Dok Din (Aeginetia indica), which grow in the pine forest of Phu Soi Dao. The national park can be visited all year. However, colourful flowers bloom during the rainy season. It is recommended to visit the park at the end of the rainy season and at the beginning of winter. Interesting attractions in the park are Namtok Phu Soi Dao, Lan Son and Namtok Sai Thip.

    To get there: From Uttaradit, take Highway No. 1045. Pass Sirikit Dam to Amphoe Nam Pat, a distance of 68 kilometres. Then, take Highway No. 1239 to Ban Huai Mun for 47 kilometres. From there, take Highway No.1268 for 18 kilometres to Namtok Phu Soi Dao. It is the starting point of the walk to the Lan Son Summit. Accommodation and camping area are provided in the park. For more information, please contact Phu Soi Dao National Park at Tel. 0 5541 9234-5 or visit www.dnp.go.th