HOUFFALIZE, a small town nearly I,1 oo ft. above sea level in the extreme south-east of the province of Luxemburg, Belgium. It is a summer resort with fine bracing air. There are the ruins of an old castle, and some remains of the still older abbey of Val des Ecoliers. The parish church dates from the 13th or 14th century. Houffalize is on the eastern Ourthe, and is con nected by tramway with Bourcy on the line of Libramont to Bastogne, Spa and Liege. Pop. (1930) 1,317.