Greenview covers a landmass with an area of 32,984.24 square kilometres and contains several geographic formations. Its westernmost portion runs along the Alberta - British Columbia border and is part of the Canadian Rockies. Its northern portion is located in Peace Country while most of the south and interior is boreal forest. The Wapiti River makes up a portion of the boundary between the County of Grande Prairie No. 1 and Greenview which also includes the Simmonette, Smoky and Little Smoky River valleys. Numerous lakes are located in Greenview. Some of the most notable are Sturgeon, Musreau, and Swan Lake as well as a portion of Snipe Lake in its northeasternmost corner.