Waltham topographic maps

Its territory, with a maximum elevation of just over 350 metres (1,150 ft), is sparsely populated, the majority of the population living along or near the Ottawa River. The northern portion is a vast extended tract of undeveloped land, dotted with lakes, such as Findlay, Landon, Gagnon, and Caughlin, which are…

Average elevation: 245 m