The area you at most there he steep complex The plains in the surrounding area A DOI Phu Kha is the highest peak in Nan Province. The height 1 980 meters above sea level, medium, but the current DOI Phu Kha, height, 1 910 metres from the mean sea level The general is a mountain of stone and stone sand by area in the forest around 90 percent I 1 A river source area The origins of the Nan river rivers branch and several line