3 is a divided manner.  

           Nan River plains. Around two sides of the Nan River. And rivers that flow to meet the Branch River Nan. Conditions much rather smooth. In districts TEL Pichai and some districts of Uttaradit When partition between the plains and valleys of thousands laugh. Sharp wave and ramp area. Because the area is near the river plains in the north and the sun. Out of the province. Includes plains along a narrow valley between TEL Mae Klong Mae Klong Ngmpad depleted stream and creek water Acrg line switch to different terrain is in his district, Muang District, Uttaradit and home screen Ngmpad Fakta mountains and high elevation zones. An area approximately half of the province in the north area. And east of the province. The only area in the District Pm Uttaradit.