Robertville (Walloon: Li Rbiveye, locally as Rebîveye or Rubîveye) is an ancienne commune in Belgium's Wallonia region, now forming part of the municipality of Waimes, Liège Province. In 1 January 2005 it had 2402 inhabitants. It was a separate municipality (formed of the villages of Robertville, Ovifat, Sourbrodt and Outrewarche) before the 1977 merger of the municipalities. Prior to that date it was also the highest municipality in Belgium, marked by the Signal de Botrange, at 694 metres (2,277 feet).