WorldwideLaosVientiane ProvinceKasy DistrictViengthongWorldwideLaosVientiane ProvinceKasy DistrictViengthongCycling Climbs in Viengthong There are 2 cycling climbs in Viengthong.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.Smash to Nong6.7 km1.1%73 mN/A2.First hill south of Kasi0.48 km5.5%26 mN/A