Xieng khouang tourism Xieng khouang tourism, Xiengkhoung with Eight district, Paek district, khoun district, phaxay district, phoukoud district, kham disrtict, nonghet district and mok mai district. approximatly 15,000 sp km. Tham pha and Nong tang lake 48 km west of phonsavan route No.7 flow the roate to Phu khoun juntion. Tham pha well known house .